Jianchi Chen

Summary

Affiliation: Agricultural Research Service
Country: USA

Publications

  1. ncbi request reprint Genetic discovery in Xylella fastidiosa through sequence analysis of selected randomly amplified polymorphic DNAs
    Jianchi Chen
    Agricultural Research Service, U S Department of Agriculture, Parlier, CA 93648, USA
    Curr Microbiol 50:78-83. 2005
  2. ncbi request reprint Surface motility of Xylella fastidiosa visualized by oblique illumination
    J Chen
    United States Department of Agriculture, Agricultural Research Service, San Joaquin Valley Agricultural Sciences Center, 9611 South Riverbend Avenue, Parlier, CA 93648, USA
    Can J Microbiol 53:435-9. 2007
  3. doi request reprint High throughput PCR detection of Xylella fastidiosa directly from almond tissues
    Jianchi Chen
    Agricultural Research Service, United States Department of Agriculture, Parlier, CA, United States
    J Microbiol Methods 73:57-61. 2008
  4. pmc Hypervariations of a protease-encoding gene, PD0218 (pspB), in Xylella fastidiosa strains causing almond leaf scorch and Pierce's disease in California
    J Chen
    USDA ARS, Parlier, San Joaquin Valley Agricultural Sciences Center, 9611 S Riverbend Ave, Parlier, CA 93648, USA
    Appl Environ Microbiol 74:3652-7. 2008
  5. pmc Whole genome sequences of two Xylella fastidiosa strains (M12 and M23) causing almond leaf scorch disease in California
    J Chen
    San Joaquin Valley Agricultural Sciences Center, U S Department of Agriculture, Parlier, California 93648, USA
    J Bacteriol 192:4534. 2010
  6. ncbi request reprint Automatic system for continuously monitoring digging volume of red imported fire ants (Hymenoptera: Formicidae) in the laboratory
    J Chen
    USDA ARS, National Biological Control Laboratory, Biological Control of Pests Research Unit, Stoneville, MS 38776, USA
    J Econ Entomol 102:1393-5. 2009
  7. ncbi request reprint Repellency of callicarpenal and intermedeol against workers of imported fire ants (Hymenoptera: Formicidae)
    J Chen
    Biological Control of Pests Research Unit, USDA ARS, Stoneville, MS 38776, USA
    J Econ Entomol 101:265-71. 2008
  8. doi request reprint Guangdong and Florida populations of 'Candidatus Liberibacter asiaticus' distinguished by a genomic locus with short tandem repeats
    J Chen
    U S Department of Agriculture Agricultural Research Services, San Joaquin Valley Agricultural Sciences Center, Parlier, CA, USA
    Phytopathology 100:567-72. 2010
  9. doi request reprint A phytoplasma related to 'Candidatus phytoplasma asteri' detected in citrus showing Huanglongbing (yellow shoot disease) symptoms in Guangdong, P. R. China
    J Chen
    U S Department of Agriculture Agricultural Research Service USDA ARS, Parlier, CA, USA
    Phytopathology 99:236-42. 2009
  10. doi request reprint Grapevine phenolic compounds in xylem sap and tissues are significantly altered during infection by Xylella fastidiosa
    Christopher M Wallis
    United States Department of Agriculture Agricultural Research Service, San Joaquin Valley Agricultural Sciences Center, Palier, CA 93648, USA
    Phytopathology 102:816-26. 2012

Collaborators

Detail Information

Publications14

  1. ncbi request reprint Genetic discovery in Xylella fastidiosa through sequence analysis of selected randomly amplified polymorphic DNAs
    Jianchi Chen
    Agricultural Research Service, U S Department of Agriculture, Parlier, CA 93648, USA
    Curr Microbiol 50:78-83. 2005
    ..One RAPD inferred a genomic rearrangement event among X. fastidiosa PD strains and another identified a single nucleotide polymorphism of evolutionary value...
  2. ncbi request reprint Surface motility of Xylella fastidiosa visualized by oblique illumination
    J Chen
    United States Department of Agriculture, Agricultural Research Service, San Joaquin Valley Agricultural Sciences Center, 9611 South Riverbend Avenue, Parlier, CA 93648, USA
    Can J Microbiol 53:435-9. 2007
    ..Haloes were found around some G-genotype colonies due to the excretion of unknown factors and (or) compounds, which might be related to bacterial surface motility...
  3. doi request reprint High throughput PCR detection of Xylella fastidiosa directly from almond tissues
    Jianchi Chen
    Agricultural Research Service, United States Department of Agriculture, Parlier, CA, United States
    J Microbiol Methods 73:57-61. 2008
    ..The results matched with those of the cultivation method at 92.3%. Considering the simplicity and reliability, we conclude that PFT-PCR is a valuable option for high throughput rapid detection of X. fastidiosa...
  4. pmc Hypervariations of a protease-encoding gene, PD0218 (pspB), in Xylella fastidiosa strains causing almond leaf scorch and Pierce's disease in California
    J Chen
    USDA ARS, Parlier, San Joaquin Valley Agricultural Sciences Center, 9611 S Riverbend Ave, Parlier, CA 93648, USA
    Appl Environ Microbiol 74:3652-7. 2008
    ..fastidiosa strains. However, TRN stability, variation range, and correlation to phenotypes should be evaluated in epidemiological applications such as pathotype identification and delineation of pathogen origin...
  5. pmc Whole genome sequences of two Xylella fastidiosa strains (M12 and M23) causing almond leaf scorch disease in California
    J Chen
    San Joaquin Valley Agricultural Sciences Center, U S Department of Agriculture, Parlier, California 93648, USA
    J Bacteriol 192:4534. 2010
    ..Genome information greatly facilitates research on this nutritionally fastidious organism. Here we report the complete genome sequences of two ALSD strains of this bacterium, M12 and M23...
  6. ncbi request reprint Automatic system for continuously monitoring digging volume of red imported fire ants (Hymenoptera: Formicidae) in the laboratory
    J Chen
    USDA ARS, National Biological Control Laboratory, Biological Control of Pests Research Unit, Stoneville, MS 38776, USA
    J Econ Entomol 102:1393-5. 2009
    ..This system does not disturb the ants while collecting data and requires no software customization. It can display the digging curves while it is still collecting data...
  7. ncbi request reprint Repellency of callicarpenal and intermedeol against workers of imported fire ants (Hymenoptera: Formicidae)
    J Chen
    Biological Control of Pests Research Unit, USDA ARS, Stoneville, MS 38776, USA
    J Econ Entomol 101:265-71. 2008
    ..Both callicarpenal and intermedeol showed repellency against all colonies, and intermedeol showed significantly greater repellency than callicarpenal against both species and their hybrid...
  8. doi request reprint Guangdong and Florida populations of 'Candidatus Liberibacter asiaticus' distinguished by a genomic locus with short tandem repeats
    J Chen
    U S Department of Agriculture Agricultural Research Services, San Joaquin Valley Agricultural Sciences Center, Parlier, CA, USA
    Phytopathology 100:567-72. 2010
    ..This is the first report documenting the differentiation of 'Ca. L. asiaticus' populations between Asia and North America and the possible presence of two differentially distributed genotypes of 'Ca. L. asiaticus' in Florida...
  9. doi request reprint A phytoplasma related to 'Candidatus phytoplasma asteri' detected in citrus showing Huanglongbing (yellow shoot disease) symptoms in Guangdong, P. R. China
    J Chen
    U S Department of Agriculture Agricultural Research Service USDA ARS, Parlier, CA, USA
    Phytopathology 99:236-42. 2009
    ..In contrast, walled bacteria were at low titer. This study showed that in addition to 'Ca. L. asiaticus', a phytoplasma related to 'Ca. P. asteri' could also be detected in citrus showing HLB symptoms in Guangdong...
  10. doi request reprint Grapevine phenolic compounds in xylem sap and tissues are significantly altered during infection by Xylella fastidiosa
    Christopher M Wallis
    United States Department of Agriculture Agricultural Research Service, San Joaquin Valley Agricultural Sciences Center, Palier, CA 93648, USA
    Phytopathology 102:816-26. 2012
    ....
  11. pmc Morphological evidence for phages in Xylella fastidiosa
    Jianchi Chen
    San Joaquin Valley Agricultural Sciences Center, Agricultural Research Services, United States Department of Agriculture, Parlier, California, 93648, USA
    Virol J 5:75. 2008
    ..fastidiosa genomic information, that X. fastidiosa possesses active phages. This is the first report of phage particles released in X. fastidiosa cultures...
  12. ncbi request reprint Requirement of Shp-2 tyrosine phosphatase in lymphoid and hematopoietic cell development
    C K Qu
    Burnham Institute, La Jolla, CA, USA
    Blood 97:911-4. 2001
    ....
  13. ncbi request reprint Seasonal population dynamics of Draeculacephala minerva (Hemiptera: Cicadellidae) and transmission of Xylella fastidiosa
    Juan C Cabrera-La Rosa
    University of California Riverside, Department of Entomology, Riverside, CA 92521, USA
    J Econ Entomol 101:1105-13. 2008
    ..fastidiosa from infected almonds to Catharanthus roseus (L.) G. Don indicated that this insect may be partly responsible for the slow spread of almond leaf scorch now recently observed in California's San Joaquin Valley...
  14. ncbi request reprint An evolutionary perspective of Pierce's disease of grapevine, citrus variegated chlorosis, and mulberry leaf scorch diseases
    Jianchi Chen
    Division of Agricultural Science, Florida A and M University, Tallahassee, USA
    Curr Microbiol 45:423-8. 2002
    ..fastidiosa, it is important to understand the diversity of X. fastidiosa strains, how strains of X. fastidiosa select their hosts, and their ecological roles in the native vegetation...