- Molecular epidemiology of American tegumentary leishmaniasis in Panama
Instituto Conmemorativo Gorgas de Estudios de la Salud, Panama City, Panama
Am J Trop Med Hyg 81:565-71. 2009
American tegumentary leishmaniasis is an increasing public health problem in Panama. This study describes the clinical characteristics and the molecular epidemiology of leishmaniasis in Panama over a 5-year period (2004-2008)...
- Lutzomyia sand fly diversity and rates of infection by Wolbachia and an exotic Leishmania species on Barro Colorado Island, Panama
Smithsonian Tropical Research Institute, Panama, Republica de Panama
PLoS Negl Trop Dis 4:e627. 2010
..Within the watershed of the Panama Canal, the cutaneous form of leishmaniasis is a continuous health threat for residents, tourists and members of an ..
- Analysis of HIV-1 pol sequences from Panama: identification of phylogenetic clusters within subtype B and detection of antiretroviral drug resistance mutations
Centro Nacional de Microbiologia, Instituto de Salud Carlos III, Majadahonda, Ctra Majadahonda Pozuelo, Km 2, 28220 Majadahonda, Madrid, Spain
Infect Genet Evol 9:933-40. 2009
..the first study to examine phylogenetic relationships and drug resistance mutations in HIV-1 pol sequences from Panama. For this study, we used plasma RNA samples from 135 HIV-1-infected subjects from Panama, of which 82 (61%) had ..
- Characterization of Leishmania colombiensis sp. n (Kinetoplastida: Trypanosomatidae), a new parasite infecting humans, animals, and phlebotomine sand flies in Colombia and Panama
R D Kreutzer
Department of Biology, Youngstown State University, Ohio
Am J Trop Med Hyg 44:662-75. 1991
..braziliensis complex. A total of nine isolates of the new parasite were made in Colombia and Panama between 1980 and 1986: two from human cases of cutaneous leishmaniasis, six from phlebotomine sand flies, and one ..
- Spatial and temporal patterns of alkaloid variation in the poison frog Oophaga pumilio in Costa Rica and Panama over 30 years
Ralph A Saporito
Department of Biological Sciences, Florida International University, Miami, FL 33199, USA
Toxicon 50:757-78. 2007
..The results of this study indicate that chemical defense in a dendrobatid poison frog is dependent on geographic location and habitat type, which presumably controls the abundance and nature of alkaloid-containing arthropods...
- Prevalence of Plasmodium falciparum mutations associated with antimalarial drug resistance during an epidemic in Kuna Yala, Panama, Central America
Instituto Conmemorativo Gorgas de Estudio de la Salud, ICGES, Panama, Republic of Panama
Am J Trop Med Hyg 73:839-41. 2005
..Samples were obtained during an epidemic affecting Kuna Amerindians in Panama. A high prevalence of mutations associated with chloroquine, pyrimethamine, and sulfadoxine was observed...
- Molecular characterisation of Trypanosoma rangeli strains isolated from Rhodnius ecuadoriensis in Peru, R. colombiensis in Colombia and R. pallescens in Panama, supports a co-evolutionary association between parasites and vectors
D A Urrea
Laboratorio de Investigaciones en Parasitología Tropical, Facultad de Ciencias, Universidad del Tolima, A A No 546, Ibague, Colombia
Infect Genet Evol 5:123-9. 2005
..from Rhodnius colombiensis, Rhodnius pallescens and Rhodnius prolixus in Colombia, and from Rhodnius pallescens in Panama. Strain characterisation involved a duplex PCR with S35/S36/KP1L primers...
- Chromoblastomycosis caused by Chaetomium funicola: a case report from Western Panama
Department of Mycology, J W Goethe University at Frankfurt Main, Siesmayerstr 73, 60054 Frankfurt am Main, Germany
Br J Dermatol 157:1025-9. 2007
Little is known about opportunistic fungi causing skin lesions in tropical countries such as Panama. We report an 83-year-old man from Chiriquí, Western Panama, with crusted skin lesions covering tumorous masses resembling Bowen's ..
- Genetic diversity and disease resistance in leaf-cutting ant societies
William O H Hughes
Zoological Institute, Department of Population Ecology, University of Copenhagen, Universitetsparken 15, 2100 Copenhagen, Denmark
Evolution 58:1251-60. 2004
..That this genetic variation can improve the resistance of groups even under the limited conditions tested suggests that polyandry may indeed produce colonies with improved resistance to disease...
- Chytridiomycosis and amphibian population declines continue to spread eastward in Panama
Douglas C Woodhams
Institute of Zoology, University of Zurich, Winterthurerstrasse 190, 8057 Zurich, Switzerland
Ecohealth 5:268-74. 2008
..of the fungal pathogen Batrachochytrium dendrobatidis (Bd) and for amphibian populations at two sites in western Panama, and we began monitoring at three new sites to the east...
- Seedling interactions in a tropical forest in Panama
J C Svenning
Department of Biological Sciences, University of Aarhus, Ny Munkegade, bygn 1540, 8000 Aarhus C, Denmark
Oecologia 155:143-50. 2008
..we performed a seedling competition experiment with five shade-tolerant species in a tropical moist forest in Panama. Three-month-old seedlings were transplanted into the forest singly or with their roots intertwined with a single ..
- High divergence within the major HIV type 1 subtype B epidemic in Panama
Servicio de Virología Molecular, Centro Nacional de Microbiologia, Instituto de Salud Carlos III, Madrid, Spain
AIDS Res Hum Retroviruses 24:1461-6. 2008
The first molecular epidemiology study of human immunodeficiency virus type 1 (HIV-1) in Panama has been performed with plasma samples from 66 AIDS patients infected by different transmission routes and obtained from distinct locations...
- Fossil calibration of molecular clocks and the divergence times of geminate species pairs separated by the isthmus of panama
Peter B Marko
Naos Marine Laboratory, Smithsonian Tropical Research Institute, Republic of Panama
Mol Biol Evol 19:2005-21. 2002
..The formation of the Isthmus of Panama, which isolated the tropical western Atlantic and eastern Pacific oceans, is one such event that is frequently ..
- Spatial patterns in the distribution of tropical tree species
Center for Tropical Forest Science, Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002 0948, USA
Science 288:1414-8. 2000
..Rare species were more aggregated than common species. All six forests were very similar in all the particulars of these results...
- Evaluation of serological assays based on a novel excreted antigen preparation for the diagnosis of Cutaneous Leishmaniasis in Panama
Luz I Romero
Institute for Advanced Scientific Investigations and High Technology Services, INDICASAT, P O Box 7250, Zona 5, Panama City, Panama
J Microbiol Methods 57:391-7. 2004
..to determine the efficacy of prototype diagnostic serological assays for American Cutaneous Leishmaniasis (ACL) in Panama. As such, we prospectively sampled 100 cutaneous leishmaniasis case-patients and tested their sera in two ..
- Sex-related differences in alkaloid chemical defenses of the dendrobatid frog Oophaga pumilio from Cayo Nancy, Bocas del Toro, Panama
Ralph A Saporito
Department of Biological Sciences, Old Dominion University, Norfolk, Virginia 23529, USA
J Nat Prod 73:317-21. 2010
..pumilio between males and females on Cayo Nancy (Isla Solarte), located in the Bocas del Toro archipelago of Panama. On average, females contained a significantly larger number and quantity of alkaloids when compared to males...
- Venezuelan equine encephalitis in Panama: fatal endemic disease and genetic diversity of etiologic viral strains
Gorgas Memorial Institute, Panama City, Panama
PLoS Negl Trop Dis 3:e472. 2009
..We report here clinical findings and genetic characterization of 42 cases of endemic VEE detected in Panama from 1961-2004...
- Seasonal and spatial distributions of adult screwworms (Diptera: Calliphoridae) in the Panama Canal area, Republic of Panama
Pamela L Phillips
Screwworm Research Laboratory, USDA ARS, Panama City, Republic of Panama
J Med Entomol 41:121-9. 2004
..Cochliomyia hominivorax, (Coquerel) was studied in a seasonally moist lowland tropical forest in the Republic of Panama using a combination of field collections and satellite imagery...
- Characterization of acaricide resistance in Rhipicephalus sanguineus (latreille) (Acari: Ixodidae) collected from the Corozal Army Veterinary Quarantine Center, Panama
R J Miller
USDA-ARS Knipling-Bushland US Livestock Insects Research Laboratory, Kerrville, TX 78028, USA
J Med Entomol 38:298-302. 2001
Rhipicephalus sanguineus (Latreille) were collected from the Corozal Army Veterinary Quarantine Center in Panama and characterized for resistance to five classes of acaricides...
- Detection and identification of rickettsial agents in ticks from domestic mammals in eastern Panama
Sergio E Bermúdez
Instituto Conmemorativo Gorgas de Estudios de la Salud, Panama City, Panama 0816 02593
J Med Entomol 46:856-61. 2009
..of Rocky Mountain spotted fever have occurred in recent years in Colombian communities close to the border with Panama. However, little is known about rickettsiae and rickettsial diseases in eastern Panamanian provinces, the Darien ..
- Human trypanosomiasis in the eastern region of the Panama Province: new endemic areas for Chagas disease
Jose E Calzada
Gorgas Memorial Institute of Health Studies, Panama, Republic of Panama
Am J Trop Med Hyg 82:580-2. 2010
The epidemiology of Chagas disease was studied in five rural communities located in the eastern region of the Panama Province. Serological tests for Trypanosoma cruzi infection revealed a prevalence of 5.88% (12/204)...
- Dactylogyrids (Monogenoidea) parasitizing the gills of Astyanax spp. (Characidae) from Panama and southeast Mexico, a new species of Diaphorocleidus and a proposal for Characithecium N. Gen
Edgar F Mendoza-Franco
Smithsonian Tropical Research Institute, Naos Island Laboratories, Ancon, Panama, Republic of Panama
J Parasitol 95:46-55. 2009
..aeneus and Astyanax fasciatus in Panama. Characithecium costaricensis (Price and Bussing, 1967) n. comb. is detailed based on specimens from A. aeneus...
- Geographic and seasonal variation in alkaloid-based chemical defenses of Dendrobates pumilio from Bocas del Toro, Panama
Ralph A Saporito
Department of Biological Sciences, Florida International University, Miami, FL 33199, USA
J Chem Ecol 32:795-814. 2006
..among seven populations and between two seasons on Isla Bastimentos, located in the Bocas del Toro archipelago of Panama. Alkaloid profiles vary among populations and between seasons, illustrating that chemical defense in this species ..
- Diversity of arbuscular mycorrhizal fungi across a fragmented forest in Panama: insular spore communities differ from mainland communities
Scott A Mangan
Department of Biology, Indiana University, Bloomington, IN 47405, USA
Oecologia 141:687-700. 2004
..by sampling AMF spores in soils of forested mainland and island sites in the vicinity of Gatun Lake, Republic of Panama. We encountered a total of 27 AMF species or morphospecies, with 17, 8, 1 and 1 from the genera Glomus, ..
- Increased urban seroprevalence of Toxoplasma gondii infecting swine in Panama
Instituto de Investigaciones Científicas Avanzadas y Servicios de Alta Tecnología, Ciudad de Panama, Panama
Vet Parasitol 153:9-11. 2008
Toxoplasmosis gondii causes one of the most common zoonoses worldwide. The rate in Panama is one of the highest in the world...
- Prevalence of Burkholderia sp. nodule symbionts on four mimosoid legumes from Barro Colorado Island, Panama
Craig F Barrett
Department of Biological Sciences, State University of New York, Binghamton, NY 13902 6000, USA
Syst Appl Microbiol 28:57-65. 2005
..casta, M. pudica, and Abarema macradenia) on Barro Colorado Island, Panama. Among 51 isolates from these and a fifth mimosoid host (Pithecellobium hymenaeafolium), 44 were Burkholderia ..
- Spatial genetic structure of Simarouba amara Aubl. (Simaroubaceae), a dioecious, animal-dispersed Neotropical tree, on Barro Colorado Island, Panama
B D Hardesty
Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002 0948, USA
Heredity (Edinb) 95:290-7. 2005
..amara within the 50-ha Forest Dynamics Plot on Barro Colorado Island in the Republic of Panama. A total of 300 individuals were genotyped using five microsatellite loci, representing 100 individuals with a dbh&..
- A new species of Rhytisma causes tar spot on Comarostaphylis arbutoides (Ericaceae) in Panama
Cheng Lin Hou
College of Life Science, Capital Normal University, Xisanhuanbeilu 105, 100048, Beijing, People s Republic of China
Mycopathologia 169:225-9. 2010
A fungus causing tar spots on leaves of Comarostaphylis arbutoides (Ericaceae) in Panama is described as a new species, Rhytisma panamense. The fungus forms gregarious black stromata on pale yellow spots on the adaxial side of leaves...
- Promoting healthy behaviors to prevent chronic disease in Panama and Trinidad & Tobago: results of the women as agents of change project
Sarah C White
Pan American Health Organization in Washington, DC 20037, USA
J Community Health 31:413-29. 2006
..in the Americas, the Pan American Health Organization implemented the Women as Agents of Change project in Panama and Trinidad & Tobago...
- Molecular characterization of human Trypanosoma cruzi isolates from endemic areas in Panama
Octavio E Sousa
Center for Research and Diagnosis of Parasitic Diseases, Faculty of Medicine, University of Panama, Panama
Mem Inst Oswaldo Cruz 101:455-7. 2006
..present work provides information on Trypanosoma cruzi genotype circulating in endemic areas of Chagas disease in Panama. A total of 26 crude stocks of T...
- Y-chromosome variability in four Native American populations from Panama
Marina S Ascunce
Department of Anthropology, University of Florida, 1376 Mowry Road, Gainesville, FL 32610, USA
Hum Biol 80:287-302. 2008
..The four tribes showed a high degree of differentiation both at the Y chromosome and in the mitochondrial genome, highlighting the importance of genetic structure even in geographically proximate and linguistically related populations...
- Serosurvey of wild rodents for hantaviruses in Panama, 2000-2002
Department of Biological Sciences, Texas Tech University, Lubbock, Texas 79409, USA
J Wildl Dis 40:103-9. 2004
..samples representing 24 species of small mammals (two species of marsupials and 22 rodents) were collected in Panama between February 2000 and July 2002...
- Desiccation tolerance of five tropical seedlings in panama. Relationship to a field assessment of drought performance
Melvin T Tyree
United States Department of Agriculture Forest Service, P O Box 968, Burlington, Vermont 05402, USA
Plant Physiol 132:1439-47. 2003
..Our conclusion is that the desiccation tolerance of moribund plants correlated with field assessment of drought-performance for the five species (r(2) > 0.94)...
- Medical ethnobotany of the Teribes of Bocas del Toro, Panama
M P Gupta
Centro de Investigaciones Farmacognósticas de la Flora Panameña CIFLORPAN, Facultad de Farmacia, Universidad de Panama, Apartado 10767, Estafeta Universitaria, Republica de Panama
J Ethnopharmacol 96:389-401. 2005
..plant species, belonging to 52 families, 89 genera, used by the Teribe Amerindians of Bocas del Toro Province in Panama, along with their socio-cultural practices are reported here...
- The effect of habitat fragmentation and species diversity loss on hantavirus prevalence in Panama
Facultad de Medicina Veterinaria y Zootecnia, Universidad Nacional Autonoma de Mexico, Mexico D F, Mexico
Ann N Y Acad Sci 1149:80-3. 2008
..We used hantaviruses in Panama as a research model to determine whether anthropogenic environmental change is associated with changes in the ..
- Feeding sources and trypanosome infection index of Rhodnius pallescens in a Chagas disease endemic area of Amador County, Panama
Instituto Conmemorativo Gorgas de Estudios de la Salud, Panama, Republic of Panama
Rev Inst Med Trop Sao Paulo 50:113-6. 2008
..is considered to be the most important and widespread vector of Trypanosoma cruzi and Trypanosoma rangeli in Panama. However, its behavior and biological characteristics have only been partially investigated...
- Outbreak of hantavirus pulmonary syndrome, Los Santos, Panama, 1999-2000
Gorgas Memorial Institute for Health Studies, Panama City, Panama
Emerg Infect Dis 10:1635-42. 2004
An outbreak of hantavirus pulmonary syndrome occurred in the province of Los Santos, Panama, in late 1999 and early 2000. Eleven cases were identified; 9 were confirmed by serology...
- Anopheles darlingi (Diptera: Culicidae) in Panama
Department of Natural Resource Sciences, Institute of Parasitology, McGill University, Ste Anne de Bellevue, Quebec, Canada
Am J Trop Med Hyg 81:23-6. 2009
We report Anopheles darlingi in Darien Province in eastern Panama. Polymerase chain reaction-restriction fragment length polymorphism profiles of the single copy nuclear white gene and sequence comparisons confirmed the presence of 66 ..
- Use of the polymerase chain reaction for diagnosing bovine tuberculosis in Panama
Laboratorio de Diagnóstico e Investigación Veterinaria Dr Gerardino Medina, Ministerio de Desarrollo Agropecuario Salud Animal, Río Tapia Tocumen, Ciudad de Panama, Panama
Rev Sci Tech 24:1067-75. 2005
..Thus, the authors suggest the use of the PCR species-specific primers test to support the programme against bovine tuberculosis in Panama.
- Diffusion and home range parameters from rodent population measurements in Panama
Consortium of the Americas for Interdisciplinary Science, University of New Mexico, Albuquerque, NM 87131, USA
Bull Math Biol 67:1135-49. 2005
..walk considerations are used to interpret rodent population data collected in Hantavirus-related investigations in Panama regarding the short-tailed cane mouse, Zygodontomys brevicauda...
- A multilocus test of simultaneous divergence across the Isthmus of Panama using snapping shrimp in the genus Alpheus
Department of Biology, University of Miami, Coral Gables, Florida 33124, USA
Evolution 63:514-30. 2009
..Results illustrate how coalescent approaches may be more appropriate for dating recent divergences than for estimating ancient speciation events...
- Species composition and distribution of adult Anopheles (Diptera: Culicidae) in Panama
J R Loaiza
Department of Natural Resource Sciences, 21, 111 Lakeshore Road, Ste Anne de Bellevue, Quebec, Canada
J Med Entomol 45:841-51. 2008
..Culicidae) species composition and distribution were studied using human landing catch data over a 35-yr period in Panama. Mosquitoes were collected from 77 sites during 228 field trips carried out by members of the National Malaria ..
- Assessing the reliability and validity of a residency selection process examination: a preliminary study between the national board of medical examiners and the University of Panama Faculty of Medicine
Andre F De Champlain
National Board of Medical Examiners, 3750 Market Street, Philadelphia, PA 19104, USA
Teach Learn Med 17:14-20. 2005
The Ministry of Health of the Republic of Panama is currently developing a national examination system that will be used to license graduates to practice medicine in that country, as well as to undertake postgraduate medical training...
- Contact dermatitis caused by pesticides among banana plantation workers in Panama
Homero G Penagos
Occupational Health Services, Occupational Dermatology Social Security Bureau, Panama
Int J Occup Environ Health 8:14-8. 2002
To characterize dermatitis related to pesticide exposures among banana plantation workers in Panama, the authors studied 281 workers seen at The Occupational Health Department of the Social Security Hospital of Changuinola and Puerto ..
- Ancient ecology of 15-million-year-old browsing mammals within C3 plant communities from Panama
Bruce J Macfadden
Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, USA
Oecologia 140:169-82. 2004
Middle Miocene mammals are known from approximately 15 million-year-old sediments exposed along the Panama Canal of Central America, a region that otherwise has an exceedingly poor terrestrial fossil record...
- Potential of the Panama strain of Plasmodium vivax for the testing of malarial vaccines in Aotus nancymai monkeys
William E Collins
Division of Parasitic Diseases and Animal Resources Branch, National Center for Infectious Diseases, Centers for Disease Control and Prevention, US Public Health Service, Department of Health and Human Services, Chamblee, Georgia 30341, USA
Am J Trop Med Hyg 67:454-8. 2002
Aotus monkeys were infected with a strain of Plasmodium vivax from Panama to determine its potential for the testing of malarial vaccines...
- High seroprevalence of hantavirus infection on the Azuero peninsula of Panama
Gorgas Memorial Institute of Health Studies, Panama City, Panama
Am J Trop Med Hyg 70:682-7. 2004
..first outbreak of hantavirus pulmonary syndrome (HPS) in Central America was documented on the Azuero peninsula of Panama in late 1999 and 2000...
- The Isthmus of Panama: a major physical barrier to gene flow in a highly mobile pantropical seabird
T E Steeves
Department of Biology, Queen s University, Kingston, ON, Canada
J Evol Biol 18:1000-8. 2005
To further test the hypothesis that the Isthmus of Panama is a major barrier to gene flow in pantropical seabirds, we applied phylogeographic methods to mitochondrial control sequence variation in masked booby (Sula dactylatra) ..
- Short report: Isolation and identification of Venezuelan equine encephalitis virus from a human in Panama
Joseph A Mangiafico
Diagnostic Systems Division, United States Army Medical Research Institute of Infectious Diseases, Fort Detrick, Frederick, Maryland 21702 5011, USA
Am J Trop Med Hyg 67:112-3. 2002
Venezuelan equine encephalitis (VEE) virus was isolated from a febrile human in Panama. The patient became febrile approximately 10 days after returning from Gatun Lake in Panama...
- [Economic impact of rotavirus vaccination in Panama]
Department of Global Health, Rollins School of Public Health, Emory University, Atlanta, USA
An Pediatr (Barc) 68:128-35. 2008
Rotavirus (RV) gastroenteritis (GE) causes a significant health and economic burden in Panama. The main objective of this study is to estimate the healthcare costs and the cost-effectiveness of vaccination in Panama from the societal ..
- Extensive exchange of fungal cultivars between sympatric species of fungus-growing ants
A M Green
Section of Integrative Biology, University of Texas, Austin, TX 78712, USA
Mol Ecol 11:191-5. 2002
..analysis of 72 cultivars propagated by two fungus-growing ant species coexisting sympatrically in central Panama. The two ant species are specialized on the same group of closely related cultivars, but in six of 12 cultivar ..
- Overexposure of radiation therapy patients in Panama: problem recognition and follow-up measures
Pan American Health Organization, Washington, DC 20007, United States of America
Rev Panam Salud Publica 20:173-87. 2006
..organizations that provided assistance to the National Oncology Institute (Instituto Oncológico Nacional, ION) of Panama following the overexposure of 28 radiation therapy patients at the ION in late 2000 and early 2001...
- Hypocrella panamensis sp. nov. (Clavicipitaceae, Hypocreales): a new species infecting scale insects on Piper carrilloanum in Panama
Mónica S Torres
Department of Plant Biology and Pathology, Rutgers University, 59 Dudley Road, New Brunswick, New Jersey 08901, USA
Mycol Res 111:317-23. 2007
A new species, Hypocrella panamensis, is described from collections and cultures obtained on Barro Colorado Island, Panama. In order to aid in placement of this fungus, phylogenetic analyses were conducted using LSU (rDNA) sequences...
- Modeling hantavirus reservoir species dominance in high seroprevalence areas on the Azuero Peninsula of Panama
Museum of Southwestern Biology and Department of Biology, University of New Mexico, Albuquerque, 87131 0001, USA
Am J Trop Med Hyg 74:1103-10. 2006
Habitat fragmentation commonly influences distribution of zoonotic disease reservoirs. In Panama, populations of rodent hosts of hantaviruses are favored by small habitat fragments isolated by agricultural lands...
- Analysis of six SNPs of NAT2 in Ngawbe and Embera Amerindians of Panama and determination of the Embera acetylation phenotype using caffeine
Lucia F Jorge-Nebert
DNA and Human Genomics Institute, University of Panama, Panama, Republic of Panama
Pharmacogenetics 12:39-48. 2002
..5% of these subjects. NAT2 would appear to be of a selectively neutral character given that there is no evidence of adaptation to the prevailing ecology in Amerindians...
- Kindler syndrome in native Americans from Panama: report of 26 cases
Chiriqui Regional Hospital, David, Panama
Arch Dermatol 140:939-44. 2004
..To investigate the clinical, genetic, and laboratory features of 26 patients with Kindler syndrome...
- Correlated evolutionary divergence of egg size and a mitochondrial protein across the Isthmus of Panama
P B Marko
Smithsonian Tropical Research Institute, Balboa, Republic of Panama
Evolution 56:1303-9. 2002
..Accordingly, the assumption that the evolutionary divergence of molecules and morphology are independent must always be carefully examined...
- Cross-Cordillera exchange mediated by the Panama Canal increased the species richness of local freshwater fish assemblages
Scott A Smith
Department of Biology, McGill University, Montreal, Quebec, Canada
Proc Biol Sci 271:1889-96. 2004
Completion of the Panama Canal in 1914 breached the continental divide and set into motion a natural experiment of unprecedented magnitude by bringing previously isolated freshwater fish communities into contact...
- Ant parasite queens revert to mating singly
Biological Institute, Department of Population Biology, University of Copenhagen, 2100 Copenhagen, Denmark
Nature 428:35-6. 2004
..This rapid and surprising reversion to single mating in a socially parasitic ant indicates that the costs of polyandry are probably specific to a free-living lifestyle...
- Clinical characteristics and national economic cost of the 2005 dengue epidemic in Panama
Department of Genomics and Proteomics, Instituto Conmemorativo Gorgas de Estudio de la Salud, Panama
Am J Trop Med Hyg 79:364-71. 2008
In 2005, Panama experienced the largest dengue epidemic since 1993. We conducted both a prospective clinical and a national economic study...
- Divergent Bradyrhizobium symbionts on Tachigali versicolor from Barro Colorado Island, Panama
M A Parker
Department of Biological Sciences, State University of New York, Binghamton 13902 6000, USA
Syst Appl Microbiol 23:585-90. 2000
..were analyzed for 20 isolates sampled from juvenile plants growing on Barro Colorado Island (BCI), Panama. Bacterial genetic diversity appeared to be low...
- Seroepidemiology of human T cell lymphotropic virus in the Republic of Panama
W C Reeves
Gorgas Memorial Laboratory, Panama
Am J Trop Med Hyg 42:374-9. 1990
..cross-sectional population-based study was conducted to describe the seroepidemiology of HTLV in the Republic of Panama. HTLV antibody was measured by first generation and commercial ELISA tests and confirmed by competitive binding ..
- Predominance of Trypanosoma rangeli infection in children from a Chagas disease endemic area in the west-shore of the Panama canal
Gorgas Memorial Institute of Health Studies, PO Box 0816 02593, Panama 5, Republic of Panama
Mem Inst Oswaldo Cruz 100:729-31. 2005
..of 206 serum samples from children (3-14 years old) living in the Amador County (La Chorrera District, Province of Panama) were screened by indirect immunofluorescence antibody test (IFAT) for the presence of antibodies against ..
- Genetic polymorphism and forensic parameters of nine short tandem repeat loci in Ngöbé and Emberá Amerindians of Panama
Edgardo A Castro
Department of Genetics and Molecular Biology, University of Panama, Panama City, Republic of Panama
Hum Biol 79:563-77. 2007
..F13A01, FESFPS, VWA, D16S539, D7S820, and D13S317) were analyzed in unrelated Ngöbé and Emberá Amerindians of Panama. The chi-square test demonstrated statistically significant differences (P < 0...
- Hantavirus infection and habitat associations among rodent populations in agroecosystems of Panama: implications for human disease risk
Anibal G Armien
Department of Population Medicine, College of Veterinary Medicine, University of Minnesota, Saint Paul, Minnesota 55108, USA
Am J Trop Med Hyg 81:59-66. 2009
Hantavirus cardiopulmonary syndrome (HCPS), which is caused by infection with Choclo virus, is uncommon in Panama, yet seropositivity among rural residents is as high as 60%...
- Profile of the first cases hospitalized due to influenza A (H1N1) in Panama City, Panama. May-June 2009
Santo Tomas Hospital, Panama
J Infect Dev Ctries 3:811-6. 2009
..From 8 May through 25 June 2009, in the Republic of Panama, 467 cases infected with the same virus were identified, 13 of which were hospitalized at the Santo Tomas Hospital ..
- Evaluation of the PAHO/WHO training program on the detection and treatment of depression for primary care nurses in Panama
Pan American Health Organization World Health Organization, Division of Health Promotion and Protection, Mental Health Program, Washington, DC, USA
Acta Psychiatr Scand 108:61-5. 2003
..This study evaluated the efficacy of a training program developed by Pan American Health Organization/World Health Organization (PAHO/WHO) for primary care nurses aimed at improving their capacity to detect and manage depression...
- Lower Miocene stratigraphy along the Panama Canal and its bearing on the Central American Peninsula
Michael Xavier Kirby
Center for Tropical Paleoecology and Archaeology, Smithsonian Tropical Research Institute, Balboa, Republic of Panama
PLoS ONE 3:e2791. 2008
..biostratigraphic and strontium chemostratigraphic analyses of the formations exposed along the Gaillard Cut of the Panama Canal...
- Expanded safety and immunogenicity of a bivalent, oral, attenuated cholera vaccine, CVD 103-HgR plus CVD 111, in United States military personnel stationed in Panama
D N Taylor
U S Naval Medical Research Institute Detachment, Lima, Peru
Infect Immun 67:2030-4. 1999
..A total of 170 partially-immune American soldiers stationed in Panama received one of the following five formulations: (a) CVD 103-HgR at 10(8) CFU plus CVD 111 at 10(7) CFU, (b) CVD ..
- Rocky Mountain spotted fever, Panama
Hospital del Nino, Panama City, Panama
Emerg Infect Dis 13:1763-5. 2007
We describe a fatal pediatric case of Rocky Mountain spotted fever in Panama, the first, to our knowledge, since the 1950s...
- Seed dispersal and spatial pattern in tropical trees
Tristram G Seidler
Natural Environment Research Council Centre for Population Biology, Imperial College, Ascot, Berkshire, United Kingdom
PLoS Biol 4:e344. 2006
..We found the same qualitative results for a 50-hectare tropical forest plot in Panama. Our results provide broad empirical evidence for the importance of dispersal mode in establishing the long-term ..
- The problem and promise of scale dependency in community phylogenetics
Nathan G Swenson
Department of Ecology and Evolutionary Biology, University of Arizona, Tucson, Arizona 85721, USA
Ecology 87:2418-24. 2006
..In this way, community phylogenetics promises to fill an important gap in community ecology and biogeography research...
- Plants use macronutrients accumulated in leaf-cutting ant nests
Leonel da S L Sternberg
Department of Biology, University of Miami, Coral Gables, FL 33124, USA
Proc Biol Sci 274:315-21. 2007
..At two tropical sites (a moist tropical forest site in Panama and a savannah site in Brazil), we fed leaves labelled with the stable isotope 15N to two species of leaf-cutting ..
- Photochemical efficiency of adult and young leaves of the neotropical understory shrub Psychotria limonensis (Rubiaceae) in response to changes in the light environment
The School for Field Studies, Center for Sustainable Development Studies, 10 Federal St, Salem, MA 01970, USA
Rev Biol Trop 52:839-44. 2004
..plants growing under sun and shade conditions on Gigante Peninsula, Barro Colorado Natural Monument (Republic of Panama), during the wet season of 1996...
- Prediction of desiccation sensitivity in seeds of woody species: a probabilistic model based on two seed traits and 104 species
M I Daws
Seed Conservation Department, Royal Botanic Gardens Kew, Wakehurst Place, Ardingly, West Sussex RH17 6TN, UK
Ann Bot 97:667-74. 2006
..A probabilistic model for the rapid identification of woody species at high risk of displaying seed desiccation sensitivity is presented...
- Demographic spatial genetic structure of the Neotropical tree, Jacaranda copaia
F A Jones
Smithsonian Tropical Research Institute, Apartado 0843 03092, Ancon, Balboa, Republic of Panama
Mol Ecol 15:3205-17. 2006
..We conclude that the pattern of spatial genetic transitions in Jacaranda is consistent with overlapping related generations and strong but infrequent periods of high recruitment, followed by long periods of population decline...
- Photosynthetic flexibility and ecophysiological plasticity: questions and lessons from Clusia, the only CAM tree, in the neotropics
Institute of Botany, Technical University of Darmstadt, Darmstadt, Germany
New Phytol 171:7-25. 2006
..The phenotypic plasticity of physiotypes and morphotypes is described. At the level of synecology, the ecological amplitude of Clusia in the tropics and the relations to habitat are surveyed...
- Contrasting mechanisms of secondary metabolite accumulation during leaf development in two tropical tree species with different leaf expansion strategies
Department of Biology, University of Utah, Salt Lake City, UT 84112, USA
Oecologia 149:91-100. 2006
- The direct and indirect effects of insectivory by birds in two contrasting Neotropical forests
S A Van Bael
Dept of Animal Biology, University of Illinois at Urbana Champaign, Urbana, IL 61801, USA
Oecologia 145:658-668. 2005
..The influence of top-down predation by birds in limiting herbivorous insects appears to be conditional and most important when the production and turnover of leaves are comparatively high...
- Density dependence explains tree species abundance and diversity in tropical forests
Department of Physics, 104 Davey Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802, USA
Nature 438:658-61. 2005
- Neither host-specific nor random: vascular epiphytes on three tree species in a Panamanian lowland forest
Fachbereich Biologie, Abt Pflanzenökologie und Systematik 13 274, D 67653 Kaiserslautern, Germany
Ann Bot 97:1103-14. 2006
..g. physicochemical characteristics of the bark, tree architecture, or leaf phenology patterns...
- Emerging infectious disease and the loss of biodiversity in a Neotropical amphibian community
Karen R Lips
Department of Zoology, Southern Illinois University, Carbondale, 62901 6501, USA
Proc Natl Acad Sci U S A 103:3165-70. 2006
..appearance of a pathogenic chytrid fungus Batrachochytrium dendrobatidis in an amphibian community at El Copé, Panama, and subsequent mass mortality and loss of amphibian biodiversity across eight families of frogs and salamanders...
- Leaf structural diversity is related to hydraulic capacity in tropical rain forest trees
Department of Botany, University of Hawai i at Manoa, Honolulu 96822, USA
Ecology 87:483-91. 2006
..Variation in both R1-linked and R1-independent traits related strongly to regeneration irradiance, indicating the potential importance of both types of traits in establishment ecology...
- Bottom-up and top-down regulation of decomposition in a tropical forest
Department of Zoology, Graduate Program in Ecology and Evolutionary Biology, University of Oklahoma, 730 Van Vleet Oval, Rm 314, Norman, OK 73019 0235, USA
Oecologia 153:163-72. 2007
..interact to generate patterns of decomposition in 450 100 cm(2 )litterbags arrayed along a 50 m ridge top in a Panama rainforest...
- Coordination of leaf and stem water transport properties in tropical forest trees
Frederick C Meinzer
USDA Forest Service, Forestry Sciences Laboratory, 3200 SW Jefferson Way, Corvallis, OR 97331, USA
Oecologia 156:31-41. 2008
..At the whole-tree level, discharge and recharge of internal C appeared to generate variations in apparent leaf-specific conductance to which stomata respond dynamically...
- Biodiversity enhances individual performance but does not affect survivorship in tropical trees
Department of Biology, McGill University, 1205 Dr Penfield, Montreal H3A 1B1, Quebec, Canada
Ecol Lett 11:217-23. 2008
..In Sardinilla, central Panama, over 5000 tree seedlings were planted in monoculture and mixed-species plots...
- Potential and realized feeding niches of neotropical hispine beetles (Chrysomelidae: Cassidinae, Cephaloleiini)
Unité d Ecologie et de Biogéographie, Universite Catholique de Louvain, 1348 Louvain la Neuve, Belgium
Environ Entomol 37:224-9. 2008
..rolled leaves of five species of Marantaceae and six species of Heliconiaceae (Zingiberales) in lowland Central Panama. Additionally, we conducted choice and no-choice feeding tests on a subset of both the plants and beetles ..
- In tropical lowland rain forests monocots have tougher leaves than dicots, and include a new kind of tough leaf
Nathaniel J Dominy
Department of Anthropology, University of California, 1156 High St, Santa Cruz, CA 95064, USA
Ann Bot 101:1363-77. 2008
..Of 15 monocot families with >100 species in TLRF, eight have notably high densities of fibres in the lamina so that high values for toughness are expected...
- Bats limit arthropods and herbivory in a tropical forest
Margareta B Kalka
Smithsonian Tropical Research Institute, Apdo 0843 03092, Balboa, Ancon, Panama
Science 320:71. 2008
..We experimentally partitioned bird predation from bat predation in a lowland tropical forest in Panama and measured the direct effects (arthropod abundance) and indirect effects (herbivory)...
- Regulation of water flux through tropical forest canopy trees: do universal rules apply?
F C Meinzer
Hawaii Agriculture Research Center, Aiea 96701, USA
Tree Physiol 21:19-26. 2001
..These results are consistent with a recent hypothesis that allometric scaling of plant vascular systems, and therefore water use, is universal...
- Experimental evidence for extreme dispersal limitation in tropical forest birds
R P Moore
Department of Fisheries and Wildlife, Oregon State University, 104 Nash Hall, Corvallis, OR 97331, USA
Ecol Lett 11:960-8. 2008
- Interspecific associations between circulating antioxidant levels and life-history variation in birds
Alan A Cohen
Department of Biology, University of Missouri, St Louis, Missouri 63121, USA
Am Nat 172:178-93. 2008
..and levels of uric acid, vitamin E, and four carotenoids in 95 avian species, mostly passerines from Michigan or Panama. We compared antioxidant measures to seven variables related to life histories (clutch size, survival rate, ..
- Transpiration efficiency of a tropical pioneer tree (Ficus insipida) in relation to soil fertility
Lucas A Cernusak
Smithsonian Tropical Research Institute, PO Box 0843 03092, Balboa, Ancon, Republic of Panama
J Exp Bot 58:3549-66. 2007
..Results suggest that variation in plant N status could have important implications for the coupling between C and water exchange in tropical forest trees...
- How individual species structure diversity in tropical forests
Department of Ecological Modeling, UFZ Helmholtz Centre for Environmental Research UFZ, PF 500136, D 04301 Leipzig, Germany
Proc Natl Acad Sci U S A 104:19029-33. 2007
..Our analyses of data from Barro Colorado Island (Panama) and Sinharaja (Sri Lanka) reveal that individual species leave identifiable signatures on spatial diversity, but ..
- Symbiotic relationships of legumes and nodule bacteria on Barro Colorado Island, Panama: a review
Matthew A Parker
Department of Biological Sciences, State University of New York, Binghamton, NY 13902, USA
Microb Ecol 55:662-72. 2008
..samples to characterize community-level patterns of legume-rhizobial symbiosis on Barro Colorado Island (BCI), Panama. Nodules have been sampled from 24 BCI legume species in 18 genera, representing about one quarter of the legume ..
- Drought sensitivity shapes species distribution patterns in tropical forests
Bettina M J Engelbrecht
Smithsonian Tropical Research Institute, Apartado 0843 03092, Balboa, Ancon, Panama
Nature 447:80-2. 2007
..regional distributions within a network of 122 inventory sites spanning a rainfall gradient across the Isthmus of Panama. Our results suggest that niche differentiation with respect to soil water availability is a direct determinant of ..
- Epiphytic cyanobacteria maintain shifts to macroalgal dominance on coral reefs following ENSO disturbance
Department of Ecology and Evolutionary Biology, University of California Los Angeles, 90095 1606, USA
Ecology 87:1162-8. 2006
..Community establishment was most likely stochastic, and the community was likely maintained by strongly positive interaction between macroalgal hosts and cyanobacterial epiphytes that uncoupled consumer control of community structure...
- Diversity and host range of foliar fungal endophytes: are tropical leaves biodiversity hotspots?
A Elizabeth Arnold
Department of Biology, Duke University, Durham, North Carolina 27708, USA
Ecology 88:541-9. 2007
..communities along a broad latitudinal gradient from the Canadian arctic to the lowland tropical forest of central Panama. Here, we use molecular sequence data from 1403 endophyte strains to show that endophytes increase in incidence, ..
- Ecological implications of anti-pathogen effects of tropical fungal endophytes and mycorrhizae
Edward Allen Herre
Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002 0948, USA
Ecology 88:550-8. 2007
..studies of foliar endophytic fungi (FEF) and arbuscular mycorrhizal fungi (AMF) associated with Theobroma cacao in Panama. Direct, experimentally controlled comparisons of endophyte free (E-) and endophyte containing (E+) plant tissues ..
- The patchiness of epifoliar fungi in tropical forests: host range, host abundance, and environment
Gregory S Gilbert
Environmental Studies, University of California, 1156 High Street, Santa Cruz, California 95064, USA
Ecology 88:575-81. 2007
..In parallel studies in rainforests in Panama and Australia, most epifoliar fungi were able to colonize several plant lineages but showed significant host ..
- Diversity, host affinity, and distribution of seed-infecting fungi: a case study with Cecropia
Rachel E Gallery
Program in Ecology and Evolutionary Biology, University of Illinois, Urbana, Illinois 61801, USA
Ecology 88:582-8. 2007
..insignis crowns in central Panama, and measured seed survival and fungal infection of inviable seeds...