- Phylogenomic analyses support the position of turtles as the sister group of birds and crocodiles (Archosauria)
Institut des Sciences de l Evolution, UMR5554 CNRS IRD, Universite Montpellier 2, Montpellier, France
BMC Biol 10:65. 2012
The morphological peculiarities of turtles have, for a long time, impeded their accurate placement in the phylogeny of amniotes...
- More than 1000 ultraconserved elements provide evidence that turtles are the sister group of archosaurs
Nicholas G Crawford
Department of Biology, Boston University, Boston, MA 02215, USA
Biol Lett 8:783-6. 2012
We present the first genomic-scale analysis addressing the phylogenetic position of turtles, using over 1000 loci from representatives of all major reptile lineages including tuatara...
- MicroRNAs support a turtle + lizard clade
Tyler R Lyson
Department of Geology and Geophysics, Yale University, New Haven, CT 06511, USA
Biol Lett 8:104-7. 2012
Despite much interest in amniote systematics, the origin of turtles remains elusive...
- Marine debris ingestion in loggerhead sea turtles, Caretta caretta, from the Western Mediterranean
Marine Zoology Unit, Cavanilles Research Institute of Biodiversity and Evolutionary Biology, University of Valencia, Spain
Mar Pollut Bull 44:211-6. 2002
Marine debris represents an important threat for sea turtles, but information on this topic is scarce in some areas, such as the Mediterranean sea...
- Regional management units for marine turtles: a novel framework for prioritizing conservation and research across multiple scales
Bryan P Wallace
International Union for Conservation of Nature IUCN SSC Marine Turtle Specialist Group Burning Issues Working Group, Arlington, Virginia, United States of America
PLoS ONE 5:e15465. 2010
- An ancestral turtle from the Late Triassic of southwestern China
Laboratory of Evolutionary Systematics of Vertebrates, Institute of Vertebrate Paleontology and Paleoanthropology, Chinese Academy of SciencesPO Box 643, Beijing 100044, China
Nature 456:497-501. 2008
The origin of the turtle body plan remains one of the great mysteries of reptile evolution. The anatomy of turtles is highly derived, which renders it difficult to establish the relationships of turtles with other groups of reptiles...
- Population genetics and phylogeography of sea turtles
B W Bowen
Hawaii Institute of Marine Biology, University of Hawaii, PO Box 1346, Kaneohe, HI 96744, USA
Mol Ecol 16:4886-907. 2007
The seven species of sea turtles occupy a diversity of niches, and have a history tracing back over 100 million years, yet all share basic life-history features, including exceptional navigation skills and periodic migrations from ..
- Fusarium solani is responsible for mass mortalities in nests of loggerhead sea turtle, Caretta caretta, in Boavista, Cape Verde
Jullie M Sarmiento-Ramírez
Departamento de Micologia, Real Jardín Botánico CSIC, Madrid, Spain
FEMS Microbiol Lett 312:192-200. 2010
..Thus, this work demonstrates that a group of strains of F. solani are responsible for the symptoms observed on turtle-nesting beaches, and that they represent a risk for the survival of this endangered species...
- Balanced inhibition and excitation drive spike activity in spinal half-centers
Rune W Berg
Department of Neuroscience and Pharmacology, Panum Institute, University of Copenhagen DK 2200 Copenhagen N, Denmark
Science 315:390-3. 2007
..These findings show that balanced excitation and inhibition and irregular firing are fundamental motifs in certain spinal network functions...
- Multiple genome alignments facilitate development of NPCL markers: a case study of tetrapod phylogeny focusing on the position of turtles
Xing Xing Shen
State Key Laboratory of Biocontrol, Key Laboratory of Gene Engineering of the Ministry of Education, School of Life Sciences, Sun Yat Sen University, Guangzhou, People s Republic of China
Mol Biol Evol 28:3237-52. 2011
..12S-16S) are used to infer the higher level relationships of tetrapods, with emphasis on the debated position of turtles. Both maximum likelihood (ML) and Bayesian analyses on the concatenated data combining the 23 markers (21,137 bp) ..
- Phenotypically linked dichotomy in sea turtle foraging requires multiple conservation approaches
Lucy A Hawkes
Marine Turtle Research Group, Centre for Ecology and Conservation, School of Biosciences, University of Exeter, Cornwall Campus, Penryn TR10 9EZ, United Kingdom
Curr Biol 16:990-5. 2006
Marine turtles undergo dramatic ontogenic changes in body size and behavior, with the loggerhead sea turtle, Caretta caretta, typically switching from an initial oceanic juvenile stage to one in the neritic, where maturation is reached ..
- Evidence for cell cycle suppression and microRNA regulation of cyclin D1 during anoxia exposure in turtles
Kyle K Biggar
Institute of Biochemistry and Department of Biology, Carleton University, Ottawa, ON, Canada
Cell Cycle 11:1705-13. 2012
..of cyclin D1 was analyzed in both whole-cell and nuclear fractions of liver, kidney and skeletal muscle from turtles exposed to 5 or 20 h of submergence anoxia...
- Global conservation priorities for marine turtles
Bryan P Wallace
IUCN SSC Marine Turtle Specialist Group, Arlington, Virginia, United States of America
PLoS ONE 6:e24510. 2011
..Marine turtles are widely distributed and exhibit intra-specific variations in population sizes and trends, as well as ..
- Comparing and combining distance-based and character-based approaches for barcoding turtles
B N Reid
Department of Forest and Wildlife Ecology, University of Wisconsin, 1630 Linden Drive, Madison, WI 53706, USA
Mol Ecol Resour 11:956-67. 2011
..and may prove to be a vital aid in conserving organisms that are threatened by illegal wildlife trade, such as turtles (Order Testudines)...
- Sparse supermatrices for phylogenetic inference: taxonomy, alignment, rogue taxa, and the phylogeny of living turtles
Robert C Thomson
Department of Evolution and Ecology and Center for Population Biology, University of California, Davis, CA 95616, USA
Syst Biol 59:42-58. 2010
..These include taxonomic standardization, automated alignment, and the identification of rogue taxa. We use turtles as an exemplar clade and present a well-supported species-level phylogeny for two-thirds of all turtle species ..
- Assessing concordance of fossil calibration points in molecular clock studies: an example using turtles
Thomas J Near
Department of Ecology and Evolutionary Biology, University of Tennessee, Knoxville, Tennessee 37996 1610, USA
Am Nat 165:137-46. 2005
..multiple fossil calibrations are available for a clade and apply our method to a molecular phylogeny of living turtles with fossil calibration times for 17 of the 22 internal nodes in the tree...
- Evolution of the turtle body plan by the folding and creation of new muscle connections
Laboratory for Evolutionary Morphology, RIKEN Center for Developmental Biology, 2 2 3 Minatojima minami, Kobe 650 0047, Japan
Science 325:193-6. 2009
..We propose that the evolutionary origin of the turtle body plan results from heterotopy based on folding and novel connectivities...
- Small-scale fisheries bycatch jeopardizes endangered Pacific loggerhead turtles
S Hoyt Peckham
Department of Ecology and Evolutionary Biology, University of California at Santa Cruz, Santa Cruz, California, United States of America
PLoS ONE 2:e1041. 2007
..industrial-scale fisheries can cause declines in migratory megafauna including seabirds, marine mammals, and sea turtles, the impacts of small-scale fisheries have been largely overlooked...
- Comprehensive survey of carapacial ridge-specific genes in turtle implies co-option of some regulatory genes in carapace evolution
Laboratory for Evolutionary Morphology, Center for Developmental Biology CDB, RIKEN, Kobe 650 0047, Japan
Evol Dev 7:3-17. 2005
..These findings indicate that the acquisition of the turtle shell did not involve the creation of novel genes, but was based on the co-option of pre-existing genes...
- Jellyfish aggregations and leatherback turtle foraging patterns in a temperate coastal environment
Jonathan D R Houghton
Department of Biological Sciences, Institute of Environmental Sustainability, University of Wales Swansea, Singleton Park, Swansea SA2 8PP, United Kingdom
Ecology 87:1967-72. 2006
Leatherback turtles (Dermochelys coriacea) are obligate predators of gelatinous zooplankton. However, the spatial relationship between predator and prey remains poorly understood beyond sporadic and localized reports...
- Breeding periodicity for male sea turtles, operational sex ratios, and implications in the face of climate change
Graeme C Hays
Department of Pure and Applied Ecology, Institute of Environmental Sustainability, Swansea University, Singleton Park, Swansea SA2 8PP, UK
Conserv Biol 24:1636-43. 2010
..All species of sea turtles exhibit TSD, many are already endangered, and most already produce sex ratios skewed to the sex produced at ..
- Putting longline bycatch of sea turtles into perspective
Rebecca L Lewison
Biology Department, San Diego State University, 5500 Campanile Drive, San Diego, CA 92182, USA
Conserv Biol 21:79-86. 2007
..vessels are extremely low, the amount of gear deployed by longline vessels suggests that cumulative bycatch of turtles from older age classes is substantial...
- Decreasing annual nest counts in a globally important loggerhead sea turtle population
Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute, 9700 South A1A, Melbourne Beach, Florida 32951, USA
Ecol Appl 19:30-54. 2009
..We argue that the decline in annual loggerhead nest counts in peninsular Florida can best be explained by a decline in the number of adult female loggerheads in the population. Causes of this decline are explored...
- Bacterial flora and antibiotic resistance from eggs of green turtles Chelonia mydas: an indication of polluted effluents
Department of Biology, College of Science, Sultan Qaboos University, PO Box 36, PC 123, Al Khodh, Oman
Mar Pollut Bull 58:720-5. 2009
Sea turtles migrate to various habitats where they can be exposed to different pollutants. Bacteria were collected from turtle eggs and their resistance to antibiotics was used as pollutant bio-indicators of contaminated effluents...
- A new, nearly complete stem turtle from the Jurassic of South America with implications for turtle evolution
Departamento de Paleontologia, Museo de Historia Natural de San Rafael, Parque Mariano Moreno s n, 5600 San Rafael, Mendoza, Argentina
Biol Lett 4:286-9. 2008
b>Turtles have been known since the Upper Triassic (210Myr old); however, fossils recording the first steps of turtle evolution are scarce and often fragmentary...
- Estimating population structure under nonequilibrium conditions in a conservation context: continent-wide population genetics of the giant Amazon river turtle, Podocnemis expansa (Chelonia; Podocnemididae)
Devon E Pearse
Department of Integrative Biology, Brigham Young University, Provo, UT 84602, USA
Mol Ecol 15:985-1006. 2006
Giant Amazon river turtles, Podocnemis expansa, are indigenous to the Amazon, Orinoco, and Essequibo River basins, and are distributed across nearly the entire width of the South American continent...
- Using telemetry to mitigate the bycatch of long-lived marine vertebrates
Catherine M McClellan
Division of Marine Science and Conservation, Duke University Marine Laboratory, Beaufort, North Carolina 28516, USA
Ecol Appl 19:1660-71. 2009
..used a spatially explicit predator-prey model to investigate real-time interactions between three species of sea turtles (Caretta caretta, Chelonia mydas, and Lepidochelys kempii) and the fall large-mesh gill net fishery that targets ..
- Is marine debris ingestion still a problem for the coastal marine biota of southern Brazil?
Paula S Tourinho
Laboratório de Microcontaminantes Orgânicos e Ecotoxicologia Aquática, Instituto de Oceanografia, Universidade Federal do Rio Grande FURG, C P 474, CEP 96201 900, Rio Grande, RS, Brazil
Mar Pollut Bull 60:396-401. 2010
..This study investigates the current status of marine debris ingestion by sea turtles and seabirds found along the southern Brazilian coast...
- Ingestion of marine debris by loggerhead sea turtles, Caretta caretta, in the Adriatic Sea
Department of Biology, Faculty of Science, University of Zagreb, 6 Roosevelt Sq, HR 10000 Zagreb, Croatia
Mar Pollut Bull 62:43-7. 2011
We examined the occurrence of marine debris in the gastrointestinal tract of 54 loggerhead sea turtles (Caretta caretta) found stranded or incidentally captured dead by fisheries in the Adriatic Sea, with a curved carapace length of 25...
- Using satellite tracking to optimize protection of long-lived marine species: olive ridley sea turtle conservation in Central Africa
Sara M Maxwell
Ocean Sciences Department, University of California Santa Cruz, Santa Cruz, California, United States of America
PLoS ONE 6:e19905. 2011
..satellite tracking and a switching state-space model to determine the internesting movements of olive ridley sea turtles (Lepidochelys olivacea) (n = 18) in Central Africa during two breeding seasons (2007-08, 2008-09)...
- Chromosome number and sex determination coevolve in turtles
Department of Ecology, Evolution and Organismal Biology, Iowa State University, 253 Bessey Hall, Ames Iowa 50011, USA
Evolution 65:1808-13. 2011
..b>Turtles posses diverse chromosome numbers (2N = 28-66) derived from extensive genomic rearrangements, plus varied sex-..
- Transsynaptic EphB/Ephrin-B signaling regulates growth of presynaptic boutons required for classical conditioning
Neuroscience Group, Division of Basic Biomedical Sciences, University of South Dakota Sanford School of Medicine, Vermillion, South Dakota 57069, USA
J Neurosci 31:8441-9. 2011
..They also reveal a functional interaction between BDNF/TrkB and the Eph/ephrin signaling systems in the coordination of presynaptic and postsynaptic modifications during conditioning...
- Movement patterns for a critically endangered species, the leatherback turtle (Dermochelys coriacea), linked to foraging success and population status
Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science, Solomons, Maryland, United States of America
PLoS ONE 7:e36401. 2012
..We show markedly different patterns for leatherback turtles in the North Atlantic versus Eastern Pacific, which feed on gelatinous zooplankton that are only occasionally ..
- Ontogenetic development of migration: Lagrangian drift trajectories suggest a new paradigm for sea turtles
Graeme C Hays
Institute of Environmental Sustainability, Swansea University, Singleton Park, Swansea SA2 8PP, UK
J R Soc Interface 7:1319-27. 2010
..Here, we provide evidence for a new paradigm for the determinants of migration destination. As adults, sea turtles show fidelity to their natal nesting areas and then at the end of the breeding season may migrate to distant ..
- Enhancing the use of Argos satellite data for home range and long distance migration studies of marine animals
Research Institute for Environment and Livelihoods, Charles Darwin University, Darwin, Northern Territory, Australia
PLoS ONE 7:e40713. 2012
..We compared home ranges and migratory pathways of seven hawksbill sea turtles (Eretmochelys imbricata) estimated from (a) highly accurate Fastloc GPS data and (b) locations computed using ..
- Kinematics and functional morphology of aquatic feeding in Australian snake-necked turtles (Pleurodira;Chelodina)
J Van Damme
Department of Biology, University of Antwerp, Belgium
J Morphol 233:113-25. 1997
..This further promotes the assumption that hydrodynamics constrain evolutive solutions for aquatic feeding...
- Resurrecting extinct interactions with extant substitutes
Christine J Griffiths
School of Biological Sciences, University of Bristol, Bristol BS8 1UG, UK
Curr Biol 21:762-5. 2011
..Our results demonstrate that the introduction of these exotic frugivores is aiding the recovery of ebonies. We argue for more reversible rewilding experiments to investigate whether extinct species interactions can be restored...
- Dive and beak movement patterns in leatherback turtles Dermochelys coriacea during internesting intervals in French Guiana
IPHC Département Ecologie, Physiologie, Ethologie, ULP, CNRS, 23 rue Becquerel, 67087 Strasbourg, France
J Anim Ecol 77:236-46. 2008
..Leatherback turtles Dermochelys coriacea (Vandelli 1761), commonly considered as capital breeders, have been reported recently to ..
- Experimental transmission and induction of ranaviral disease in Western Ornate box turtles (Terrapene ornata ornata) and red-eared sliders (Trachemys scripta elegans)
A J Johnson
Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL 32610, USA
Vet Pathol 44:285-97. 2007
..A pilot study was performed with 3 box turtles (Terrapene ornata ornata) and 3 red-eared sliders (RESs; Trachemys scripta elegans) to assess their suitability ..
- Modeling loggerhead turtle movement in the Mediterranean: importance of body size and oceanography
Scott A Eckert
Wider Caribbean Sea Turtle Conservation Network WIDECAST, Nicholas School of the Environment, Earth Sciences Marine Laboratory, Duke University, Beaufort, North Carolina 28516, USA
Ecol Appl 18:290-308. 2008
..hierarchical Bayesian SSMs to estimate movement pathways from Argos satellite-tag data for 15 juvenile loggerhead turtles (Caretta caretta) in the western Mediterranean Sea, and to probabilistically assign locations to one of two ..
- The olfactory receptor gene repertoires in secondary-adapted marine vertebrates: evidence for reduction of the functional proportions in cetaceans
Department of Zoology, Kyoto University, Wakayama 649 2211, Japan
Biol Lett 3:428-30. 2007
..have lost large amount of their OR genes, whereas secondary-semi-adapted marine vertebrates (sea lions and sea turtles) still have maintained their OR genes, reflecting the importance of terrestrial environment for these animals.
- The evolutionary position of turtles revised
Museo Nacional de Ciencias Naturales, Madrid, Spain
Naturwissenschaften 88:193-200. 2001
Consensus on the evolutionary position of turtles within the amniote phylogeny has eluded evolutionary biologists for more than a century...
- Tests of turtle phylogeny: molecular, morphological, and paleontological approaches
H B Shaffer
Section of Evolution and Ecology and Center for Populatiion Biology, University of California, Davis, California 95616, USA
Syst Biol 46:235-68. 1997
We present phylogenetic analyses of both molecular and morphological data for the 23 major lineages of living turtles and seven key fossil taxa...
- Trade-off between current reproductive effort and delay to next reproduction in the leatherback sea turtle
Laboratoire Ecologie, Systematique et Evolution, UMR 8079, CNRS, ENGREF and Université Paris Sud, Batiment 362, 91405 Orsay Cedex, France
Oecologia 145:564-74. 2005
..These inferences led us to conclude that a trade-off between current and future reproduction exists in leatherbacks nesting in French Guiana, likely linked to the resource provisioning required to invest in reproduction...
- Robust hierarchical state-space models reveal diel variation in travel rates of migrating leatherback turtles
Ian D Jonsen
Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada B3H4J1
J Anim Ecol 75:1046-57. 2006
..3. Using the largest Atlantic satellite telemetry data set for critically endangered leatherback turtles, we show that the diel pattern in travel rates of these turtles changes over different phases of their migratory ..
- Persistent leatherback turtle migrations present opportunities for conservation
George L Shillinger
Hopkins Marine Station, Stanford University, Pacific Grove, California, USA
PLoS Biol 6:e171. 2008
..Populations of leatherback turtles (Dermochelys coriacea) in the eastern Pacific have declined by >90% during the past two decades, primarily due ..
- The 'lost years' of green turtles: using stable isotopes to study cryptic lifestages
Kimberly J Reich
Archie Carr Center for Sea Turtle Research, Department of Zoology, PO Box 118525, University of Florida, Gainesville, FL 32611, USA
Biol Lett 3:712-4. 2007
..Stable isotopes in scute from young herbivorous green turtles in shallow-water habitats revealed that they spend 3-5 years as carnivores in oceanic habitats before making a ..
- Bridging the gap between community ecology and historical biogeography: niche conservatism and community structure in emydid turtles
P R Stephens
Odum School of Ecology, University of Georgia, Athens, GA 30602, USA
Mol Ecol 18:4664-79. 2009
..Our results show how understanding the causes of patterns of historical biogeography may help explain patterns of community structure...
- When surfacers do not dive: multiple significance of extended surface times in marine turtles
Stazione Zoologica Anton Dohrn, Villa Communale 1, Naples, Italy
J Exp Biol 213:1328-37. 2010
Marine turtles spend more than 90% of their life underwater and have been termed surfacers as opposed to divers...
- Contrasting demographic and genetic estimates of dispersal in the endangered Coahuilan box turtle: a contemporary approach to conservation
Jennifer G Howeth
Section of Integrative Biology, University of Texas at Austin, 1 University Station C0930, Austin, TX 78712, USA
Mol Ecol 17:4209-21. 2008
..coahuila conveys a sustainable evolutionary trajectory of the species pending preservation of threatened wetland habitats and a range-wide network of corridors...
- Simulating transoceanic migrations of young loggerhead sea turtles: merging magnetic navigation behavior with an ocean circulation model
Nathan F Putman
Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA
J Exp Biol 215:1863-70. 2012
Young loggerhead sea turtles (Caretta caretta) from eastern Florida, USA, undertake a transoceanic migration in which they gradually circle the Sargasso Sea before returning to the North American coast...
- Transitional fossils and the origin of turtles
Tyler R Lyson
Department of Geology and Geophysics, Yale University, New Haven, CT 06511, USA
Biol Lett 6:830-3. 2010
The origin of turtles is one of the most contentious issues in systematics with three currently viable hypotheses: turtles as the extant sister to (i) the crocodile-bird clade, (ii) the lizard-tuatara clade, or (iii) Diapsida (a clade ..
- Prevalence of Salmonella spp in cloacal, fecal, and gastrointestinal mucosal samples from wild North American turtles
Carley A Saelinger
School of Veterinary Medicine, University of Pennsylvania, Philadelphia, 19104, USA
J Am Vet Med Assoc 229:266-8. 2006
To determine prevalence of Salmonella spp in samples collected from wild North American turtles.
- Living together but remaining apart: Atlantic and Mediterranean loggerhead sea turtles (Caretta caretta) in shared feeding grounds
Department of Animal Biology, Faculty of Biology, University of Barcelona, Avda Diagonal 645, E 08028 Barcelona, Spain
J Hered 102:666-77. 2011
Juvenile loggerhead sea turtles (Caretta caretta) from Atlantic nesting populations migrate into the western Mediterranean, where they share feeding grounds with turtles originating in the Mediterranean...
- Temperature-dependent sex determination and global change: are some species at greater risk?
Laboratoire Ecologie, Systématique et Evolution UMR8079, Faculté des Sciences d Orsay, Universite Paris Sud, Batiment 362, Orsay, France
Oecologia 160:493-506. 2009
..From our analyses, we predict that species with a larger TRT should be more likely to evolve in response to new thermal conditions, thus putting them at lower risk to global change...
- Mixed-stock analysis reveals the migrations of juvenile hawksbill turtles (Eretmochelys imbricata) in the Caribbean Sea
B W Bowen
Hawaii Institute of Marine Biology, University of Hawaii, PO Box 1346, Kaneohe, Hawaii 96744, USA
Mol Ecol 16:49-60. 2007
Hawksbill turtles (Eretmochelys imbricata) migrate between nesting beaches and feeding habitats that are often associated with tropical reefs, but it is uncertain which nesting colonies supply which feeding habitats...
- Megafaunal meiolaniid horned turtles survived until early human settlement in Vanuatu, Southwest Pacific
Arthur W White
School of Biological, Earth and Environmental Sciences, University of New South Wales, Sydney, NSW 2052, Australia
Proc Natl Acad Sci U S A 107:15512-6. 2010
Meiolaniid or horned turtles are members of the extinct Pleistocene megafauna of Australia and the southwest Pacific. The timing and causes of their extinction have remained elusive...
- Myxidium scripta n. sp. identified in urinary and biliary tract of Louisiana-farmed red-eared slider turtles Trachemys scripta elegans
John F Roberts
Department of Infectious Disease and Pathology, College of Veterinary Medicine, University of Florida, Gainesville, Florida 32610, USA
Dis Aquat Organ 80:199-209. 2008
..in the renal tubules in 3 of 6, the gall bladder lumen in 2 of 6, and the bile ductule in 1 of 6 red eared slider turtles Trachemys scripta elegans. In total, myxozoa were identified in 4 of 6 turtles...
- Jellyfish support high energy intake of leatherback sea turtles (Dermochelys coriacea): video evidence from animal-borne cameras
Susan G Heaslip
Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada
PLoS ONE 7:e33259. 2012
..The location of these prey may be predictable at large oceanographic scales, given that leatherback turtles perform long distance migrations (1000s of km) from nesting beaches to high latitude foraging grounds...
- Integration of morphological data sets for phylogenetic analysis of Amniota: the importance of integumentary characters and increased taxonomic sampling
Robert V Hill
Department of Anatomical Sciences, Stony Brook University, Stony Brook, New York 11794 8081, USA
Syst Biol 54:530-47. 2005
Several mutually exclusive hypotheses have been advanced to explain the phylogenetic position of turtles among amniotes...
- Longitude perception and bicoordinate magnetic maps in sea turtles
Nathan F Putman
Department of Biology, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA
Curr Biol 21:463-6. 2011
..Here we report, however, that hatchling loggerhead sea turtles (Caretta caretta) from Florida, USA, when exposed to magnetic fields that exist at two locations with the same ..
- Perception of airborne odors by loggerhead sea turtles
C S Endres
Department of Biology, University of North Carolina, Chapel Hill, NC 27599, USA
J Exp Biol 212:3823-7. 2009
Sea turtles are known to detect chemical cues, but in contrast to most marine animals, turtles surface to breathe and thus potentially have access to olfactory cues both in air and in water...
- Rapid evolution of Beta-keratin genes contribute to phenotypic differences that distinguish turtles and birds from other reptiles
Yang I Li
Department of Physiology, Anatomy and Genetics, MRC Functional Genomics Unit, University of Oxford, United Kingdom
Genome Biol Evol 5:923-33. 2013
..shell at a molecular level, we surveyed the diversity of beta-keratin genes from the genome assemblies of three turtles, Chrysemys picta, Pelodiscus sinensis, and Chelonia mydas, which together represent over 160 Myr of chelonian ..
- Patterns of lipid storage and mobilisation in the female green sea turtle ( Chelonia mydas)
School of Biological Sciences, Department of Anatomy and Developmental Biology, The University of Queensland, St Lucia, QLS 4072, Australia
J Comp Physiol B 172:485-93. 2002
- Prevalence of Salmonella shedding in faeces by captive chelonians
Département de Santé Publique Vétérinaire, Ecole Nationale Veterinaire de Lyon, BP 83, 69280 Marcy l Etoile, France
Vet Rec 154:56-8. 2004
- Diel foraging behavior of gravid leatherback sea turtles in deep waters of the Caribbean Sea
Department of Biology and Marine Biology, University of North Carolina Wilmington, 601 South College Road, Wilmington, NC 28403, USA
J Exp Biol 213:3961-71. 2010
It is generally assumed that leatherback turtles (Dermochelys coriacea), like other species of sea turtle, do not feed while offshore from nesting beaches, and rely instead on fat reserves to fuel reproductive activities...
- Kinematics of aquatic and terrestrial prey capture in Terrapene carolina, with implications for the evolution of feeding in cryptodire turtles
A P Summers
Department of Biology, University of Massachusetts, Amherst 01003, USA
J Exp Zool 281:280-7. 1998
..In all of these turtles, hyoid depression produced oral cavity expansion during aquatic feeding, but the earthworm prey were never sucked ..
- Fourteen nuclear genes provide phylogenetic resolution for difficult nodes in the turtle tree of life
Anthony J Barley
Department of Evolution and Ecology, University of California, Davis, CA 95616, USA
Mol Phylogenet Evol 55:1189-94. 2010
..of molecular methods in attempts at resolving the evolutionary relationships among the major clades of turtles, some nodes in the tree have proved to be extremely problematic and have remained unresolved...
- Complexity and variation in loggerhead sea turtle life history
Catherine M McClellan
Division of Marine Science and Conservation, Duke University Marine Laboratory, 135 Duke Marine Lab Road, Beaufort, NC 28516, USA
Biol Lett 3:592-4. 2007
Juvenile loggerhead sea turtles spend more than a decade in the open ocean before returning to neritic waters to mature and reproduce...
- Multifunctional and specialized spinal interneurons for turtle limb movements
Department of Zoology, University of Oklahoma, Norman, Oklahoma, USA
Ann N Y Acad Sci 1198:119-32. 2010
..Future investigations will focus on how multifunctional and specialized spinal interneurons interact to generate each motor output...
- Using open robust design models to estimate temporary emigration from capture-recapture data
W L Kendall
USGS Patuxent Wildlife Research Center, Laurel, Maryland 20708, USA
Biometrics 57:1113-22. 2001
..We apply our model to estimate survival and breeding probability in a study of hawksbill sea turtles (Eretmochelys imbricata), where previous approaches are not appropriate.
- Modulation of plateau properties in dorsal horn neurones in a slice preparation of the turtle spinal cord
R E Russo
Department of Medical Physiology, Panum Institute, University of Copenhagen, Denmark
J Physiol 499:459-74. 1997
..9. We propose that modulation of postsynaptic plateau properties in dorsal horn neurones by activation of type I metabotropic glutamate receptors and NK-1 tachykinin receptors is involved in processing nociceptive information...
- Bottom-up and climatic forcing on the worldwide population of leatherback turtles
Vincent S Saba
Department of Fisheries Science, Virginia Institute of Marine Science, College of William and Mary, Rt 1208 Greate Road, Gloucester Point, Virginia 23062, USA
Ecology 89:1414-27. 2008
Nesting populations of leatherback turtles (Dermochelys coriacea) in the Atlantic and western Indian Oceans are increasing or stable while those in the Pacific are declining...
- Dating cryptodiran nodes: origin and diversification of the turtle superfamily Testudinoidea
João M Lourenço
Institut des Sciences de l Evolution, Universite Montpellier 2, CC064, Place Eugene Bataillon, 34095 Montpellier Cedex 05, France
Mol Phylogenet Evol 62:496-507. 2012
The superfamily Testudinoidea is the most diverse and widely distributed clade of extant turtles. Surprisingly, despite an extensive fossil record, and increasing amount of molecular data available, the temporal origin of this group is ..
- Effects of illegal harvest of eggs on the population decline of leatherback turtles in Las Baulas Marine National Park, Costa Rica
Pilar Santidrian Tomillo
Department of Bioscience and Biotechnology, Drexel University, Philadelphia, PA 19104, USA
Conserv Biol 22:1216-24. 2008
Within 19 years the nesting population of leatherback turtles (Dermochelys coriacea) at Parque Nacional Marino Las Baulas declined from 1500 turtles nesting per year to about 100...
- Leatherback nests increasing significantly in Florida, USA; trends assessed over 30 years using multilevel modeling
Duke Center for Marine Conservation, Nicholas School of the Environment, Duke University Marine Lab, 135 Duke Marine Lab Rd, Beaufort, North Carolina 28516, USA
Ecol Appl 21:263-73. 2011
..For sea turtles, changes in abundance are difficult to detect because most life stages occur in the water...
- Evolution of sexual size dimorphisms in emydid turtles: ecological dimorphism, rensch's rule, and sympatric divergence
Patrick R Stephens
Odum School of Ecology, 140 E Green St, University of Georgia, Athens, Georgia 30602, USA
Evolution 63:910-25. 2009
..Emydid turtles include species with both male and female-biased SSD, and some emydids exhibit among the most extreme SSD in ..
- Detecting female precise natal philopatry in green turtles using assignment methods
Patricia L M Lee
Institute of Environmental Sustainability, Department of Biological Sciences, University of Wales Swansea, Swansea SA2 8PP, UK
Mol Ecol 16:61-74. 2007
It is well established that sea turtles return to natal rookeries to mate and lay their eggs, and that individual females are faithful to particular nesting sites within the rookery...
- Behavioral inference of diving metabolic rate in free-ranging leatherback turtles
Corey J A Bradshaw
School for Environmental Research, Institute of Advanced Studies, Charles Darwin University, Darwin, Northern Territory 0909, Australia
Physiol Biochem Zool 80:209-19. 2007
..endothermy? Recent measurements have provided the first estimates of field metabolic rate (FMR) in leatherback turtles using doubly labeled water; however, the technique is prohibitively expensive and logistically difficult and ..
- Morphology and function of the feeding apparatus of Pelusios castaneus (Chelonia; Pleurodira)
Department of Comparative Anatomy and Morphology, Institute of Zoology, University of Vienna, Austria
J Morphol 244:127-35. 2000
..to point out the major functional and biomechanical distinctions between aquatic and terrestrial feeding turtles as well as several intermediate forms...
- Cloning and expression of aromatase in a turtle with temperature-dependent sex determination
Department of Biology, University of Alabama at Birmingham, 1300 University Blvd, Birmingham, AL 35294 1170, USA
Gen Comp Endocrinol 130:109-19. 2003
..The current results suggest that the expression of aromatase may not be a pivotal regulatory step in the sex determination cascade of this turtle...
- Ontogeny of the alligator cartilago transiliens and its significance for sauropsid jaw muscle evolution
Henry P Tsai
Integrative Anatomy, Department of Pathology and Anatomical Sciences, University of Missouri, Columbia, Missouri, United States of America
PLoS ONE 6:e24935. 2011
..Finally, these findings indicate that similar tendon organs exist among potentially homologous muscle groups in birds and turtles, thus impacting inferences of jaw muscle homology and evolution in sauropsids in general.
- Body plan of turtles: an anatomical, developmental and evolutionary perspective
Laboratory for Evolutionary Morphology, RIKEN Center for Developmental Biology, 2 2 3 Minatojima minami, Chuo, Kobe, Hyogo, 650 0047, Japan
Anat Sci Int 87:1-13. 2012
..The basic structure of the carapace comprises vertebrae and ribs. The pectoral girdle of turtles sits inside the carapace or the rib cage, in striking contrast to the body plan of other tetrapods...
- Stereological estimate of the total number of neurons in spinal segment D9 of the red-eared turtle
Research Laboratory for Stereology and Neuroscience, Bispebjerg Hospital, DK 2400 Copenhagen, Denmark
J Neurosci 31:2431-5. 2011
..These findings also form a crucial quantitative foundation for integrating electrophysiological data into mathematical circuit models...
- Long-term climate forcing in loggerhead sea turtle nesting
Kyle S Van Houtan
Marine NOAA Fisheries Service, Pacific Islands Fisheries Science Center, Honolulu, Hawaii, United States of America
PLoS ONE 6:e19043. 2011
..Future studies should consider environmental baselines in assessments of marine turtle population variability and persistence...
- Salmonella in free living terrestrial and aquatic turtles
Estacion Biologica de Donana, CSIC, Avda Maria Luisa s n, 41013 Sevilla, Spain
Vet Microbiol 119:311-5. 2007
Detection of Salmonella in pet turtles has been the focus of extensive research, but its incidence in free living turtles is not well known...
- Deep genealogical lineages in the widely distributed African helmeted terrapin: evidence from mitochondrial and nuclear DNA (Testudines: Pelomedusidae: Pelomedusa subrufa)
Museum of Zoology Museum für Tierkunde, Senckenberg Dresden, Dresden, Germany
Mol Phylogenet Evol 56:428-40. 2010
- The diving behaviour of green turtles undertaking oceanic migration to and from Ascension Island: dive durations, dive profiles and depth distribution
G C Hays
School of Biological Sciences, University of Wales Swansea, Singleton Park, Swansea SA2 8PP, UK
J Exp Biol 204:4093-8. 2001
Satellite telemetry was used to record the submergence duration of green turtles (Chelonia mydas) as they migrated from Ascension Island to Brazil (N=12 individuals) while time/depth recorders (TDRs) were used to examine the depth ..
- Two herpesviruses associated with disease in wild Atlantic loggerhead sea turtles (Caretta caretta)
Brian A Stacy
University of Florida, College of Veterinary Medicine, Small Animal Clinical Sciences, P O Box 100126, Gainesville, FL 32610, USA
Vet Microbiol 126:63-73. 2008
Herpesviruses are associated with lung-eye-trachea disease and gray patch disease in maricultured green turtles (Chelonia mydas) and with fibropapillomatosis in wild sea turtles of several species...
- Ranavirus-associated morbidity and mortality in a group of captive eastern box turtles (Terrapene carolina carolina)
Ryan De Voe
Department of Clinical Sciences, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina 27606, USA
J Zoo Wildl Med 35:534-43. 2004
Seven captive eastern box turtles (Terrapene carolina carolina) from a large collection of North American chelonians in North Carolina became acutely ill in the fall of 2002. Five of the turtles died...
- Swimming for your life: locomotor effort and oxygen consumption during the green turtle (Chelonia mydas) hatchling frenzy
David T Booth
The University of Queensland, Physiological Ecology Group, School of Integrative Biology, QLD 4072, Australia
J Exp Biol 212:50-5. 2009
- Isotope analysis reveals foraging area dichotomy for atlantic leatherback turtles
Laboratory for Oceanology, MARE Center, B6C Liège University, Sart Tilman, Liege, Belgique
PLoS ONE 3:e1845. 2008
..Atlantic leatherback turtles undertake long migrations across ocean basins from subtropical and tropical nesting beaches to productive frontal ..
- Phylogeography of the green turtle, Chelonia mydas, in the Southwest Indian Ocean
Institut Français de Recherche pour l Exploitation de la Mer Ifremer de La Réunion, Rue Jean Bertho, BP 60, 97 822 Le Port Cedex, Ile de La Réunion, France
Mol Ecol 16:175-86. 2007
..We also found compelling genetic evidence that green turtles nesting at the rookeries of the South Mozambique Channel (SMC) and those nesting in the North Mozambique Channel (..
- Timing of organogenesis support basal position of turtles in the amniote tree of life
Paläontologisches Institut und Museum der Universität Zürich, Zurich, Switzerland
BMC Evol Biol 9:82. 2009
The phylogenetic position of turtles is the most disputed aspect in the reconstruction of the land vertebrate tree of life...
- Steroid signaling and temperature-dependent sex determination-Reviewing the evidence for early action of estrogen during ovarian determination in turtles
Section of Integrative Biology, University of Texas, 2400 Speedway, Austin, TX 78712, United States
Semin Cell Dev Biol 20:283-92. 2009
..Localized estrogen production facilitates ovarian development while inhibiting male-specific gene expression. At male-producing temperatures aromatase is not upregulated, thereby allowing testis development...
- Salmonella species in free-living spur-thighed tortoises (Testudo graeca) in central western Morocco
Estacion Biologica de Donana, Consejo Superior de Investigaciones Cientificas, Avenida Maria Luisa s n, Seville, Spain
Vet Rec 162:218-9. 2008
- Turtle groups or turtle soup: dispersal patterns of hawksbill turtles in the Caribbean
J M Blumenthal
Department of Environment, Box 486, Grand Cayman KY1 1106, Cayman Islands
Mol Ecol 18:4841-53. 2009
Despite intense interest in conservation of marine turtles, spatial ecology during the oceanic juvenile phase remains relatively unknown...
- Microhabitat selection by sea turtles in a dynamic thermal marine environment
Department of Environmental and Natural Resources Management, University of Ioannina, G Seferi 2, GR 30100 Agrinio, Greece
J Anim Ecol 78:14-21. 2009
..As the sea warmed in the summer, this selection was no longer evident. 4. As loggerhead turtles are ectothermic, this early season warm-water selection presumably speeds up egg maturation rates before ..
- On the carapacial ridge in turtle embryos: its developmental origin, function and the chelonian body plan
Laboratory for Evolutionary Morphology, Center for Developmental Biology, RIKEN, 2 2 3 Minatojima minami, Kobe 650 0047, Japan
Development 134:2219-26. 2007
- Conservation implications of complex population structure: lessons from the loggerhead turtle (Caretta caretta)
B W Bowen
Hawaii Institute of Marine Biology, University of Hawaii, P O Box 1346, Kaneohe, HI 96744, USA
Mol Ecol 14:2389-402. 2005
..Loggerhead turtles (Caretta caretta) have both traits, providing an instructive case history for wildlife management...
- Testing hypotheses of aging in long-lived painted turtles (Chrysemys picta)
Justin D Congdon
Savannah River Ecology Laboratory, Drawer E, Aiken, SC 29802, USA
Exp Gerontol 38:765-72. 2003
For 38 of the past 50 years, Painted Turtles were studied on the University of Michigan's E.S. George Reserve in southeastern Michigan...