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Xu, Kenong
Cornell Faculty Member
Positions
- Assistant Professor, Horticulture (HORT), College of Agriculture and Life Sciences (CALS)
The goal of my research program is to discover and characterize apple genes or gene networks controlling traits of horticultural and/or economic importance using tools of plant genomics. The research findings of the program will (1) advance our knowledge in understanding the underlying mechanisms of these traits, and (2) enable us to develop and integrate efficient approaches and tools for the improvement of apple scion varieties and rootstocks.
- Affiliations
- Extension
- Research
- Publications
- Teaching
- Service
- Background
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Affiliations
Extension
has primary specialization area
has secondary specialization area
Research
research overview
- The goal of my research program is to discover and characterize apple genes or gene networks controlling traits of horticultural and/or economic importance using tools of plant genomics. A few traits unique to or essential in plant growth and development, plant reaction to biotic/abiotic stresses, and fruit shelf life and quality have been targeted. Several research projects are currently ongoing, including development of EST based SSR markers and construction of genetic maps for Malus × domestica cv ‘Royal Gala’ and an apple scab resistant accession of M. sieversii (a primary wild progenitor species for the domesticated apple); identification and characterization of Malus ERF genes involved in waterlogging tolerance in apple rootstocks; fine-scale genetic/physical mapping of the Co locus responsible for the columnar tree type; and an investigation into the interactions of genes related to ethylene production and fruit ripening.
principal investigator on
co-principal investigator on
keywords
- Tree fruit genomics
Publications
individual publications
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academic article
- A natural mutation-led truncation in one of the two ALMT-like genes at the Ma locus is associated with low fruit acidity in apple.. Molecular Genetics and Genomics. 287:663-678. 2012
- A natural mutation-led truncation in one of the two aluminum-activated malate transporter-like genes at the Ma locus is associated with low fruit acidity in apple. Molecular Genetics and Genomics. 287:663-678. 2012
- Characterization of Two Orthologs of REVERSION-TO-ETHYLENE SENSITIVITY1 in Apple. Journal of Molecular Biology Research. 2:24-41. 2012
- EST contig-based SSR linkage maps for Malus x domestica Royal Gala and an apple scab resistant accession of M. sieversii, the progenitor species of domestic apple. Molecular Breeding. 29:379-397. 2012
- EST contig-based SSR linkage maps for Malus × domestica cv ‘Royal Gala’ and an apple scab resistant accession of M. sieversii, the progenitor species of domestic apple. Molecular Breeding. 29. 2012
- Fine genetic mapping of the Co locus controlling columnar growth habit in apple. Molecular Genetics and Genomics. 287:437-450. 2012
- Genetic characterization of the Ma locus with pH and titratable acidity in apple. Molecular Breeding. 30. 2012
- A new implementation of high-throughput five-dimensional clone pooling strategy for BAC library screening. BMC Genomics. 11:10. 2010
- Cloning and characterization of XiR1, a locus responsible for dagger nematode resistance in grape. Theoretical and Applied Genetics. 121:789-799. 2010
- A high-throughput strategy for screening of bacterial artificial chromosome libraries and anchoring of clones on a genetic map constructed with single nucleotide polymorphisms. BMC Genomics. 10:10. 2009
- Genetic and QTL analysis of resistance to Xiphinema index in a grapevine cross. Theoretical and Applied Genetics 116:305-311. Theoretical and Applied Genetics. 116:305-311. 2008
- A marker-assisted backcross approach for developing submergence-tolerant rice cultivars. Theoretical and Applied Genetics. 115:767-776. 2007
- A Variable Cluster of Ethylene Response Factor–Like Genes Regulates Metabolic and Developmental Acclimation Responses to Submergence in Rice Takeshi Fukao, Kenong Xu, Pamela C. Ronald, Julia Bailey-Serres. Plant Cell. 18:2021-2034. 2006
- Refined mapping of the Pierce’s disease resistance locus, PdR1, and Sex on an extended genetic map of Vitis rupestris X V. arizonica. Theoretical and Applied Genetics. 113. 2006
- Sub1A is an ethylene-response-factor-like gene that confers submergence tolerance to rice. Nature. 442:705-708. 2006
- A microsatellite marker and a co-dominant PCR based marker for marker-assisted selection of submergence tolerance in rice. Crop Science. 44:248-253. 2004
- Molecular markers linked to stem rot resistance in rice. Theoretical and Applied Genetics. Theoretical and Applied Genetics. 102:511-516. 2001
- A high-resolution linkage map of the vicinity of the rice submergence tolerance locus Sub1. Molecular Genetics and Genomics. 263:681-689. 2000
- A major locus for submergence tolerance mapped on rice chromosome 9. Molecular Breeding. Molecular Breeding. 2:219-224. 1996
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article
- Identifying the gene controlling apple fruit acidity and its applications in apple breeding 2012
- Study reveals identity of the apple acidity gene 2012
- The next generation of biotechnology for apple improvement and beyond, the tale of TALENs and TALEs 2012
- Towards understanding the genetic basis of apple acidity 2011
- RosBREED’s Extension Team - delivering RosBREED outcomes to the Rosaceae community.RosBREED: Enabling marker-assisted breeding 2010
- The apple genome: a delicious promise 2010
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conference paper
- RosBREED: Enabling Marker-Assisted Breeding In Rosaceae. Plant & Animal Genome XVIII--The International Conference on the Status of Plant & Animal Genome Research. 2010
- Apple genetic/genomic studies at NYSAES 2010
- Towards Understanding the Genetic Basis of Apple Acidity 2010
speaker at Cornell event
Teaching
teaching activities
- HORT-8900: Thesis Research, Master of Science - Spring 2013
- HORT-9900: Thesis Research, Doctor of Philosophy - Spring 2013
- HORT-8900: Thesis Research, Master of Science - Fall 2012
- HORT-9900: Thesis Research, Doctor of Philosophy - Fall 2012
- HORT-8900: Thesis Research, Master of Science - Spring 2012
- HORT-9900: Thesis Research, Doctor of Philosophy - Spring 2012
- HORT-8900: Thesis Research, Master of Science - Fall 2011
- HORT-9900: Thesis Research, Doctor of Philosophy - Fall 2011
Service
service to the profession
- American Association for the Advancement of Science Member 2000 -
- American Society of Plant Biologists Member 2000 -
- Crop Science Society of America Member 2000 -
reviewer or editor for
Background
education and training
- Ph.D. in Genetics, University of California, Davis 2000
- M.S. in Agronomy, Huazhong Agricultural University 1991
- B.S. in Agronomy, Anhui Agricultural University 1983
awards and honors
Other
college
- CALS
research keyword
- Tree fruit genomics