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Subjects nucleotide sequences Remove constraint nucleotide sequences: nucleotide sequences Subjects genetic variation Remove constraint genetic variation: genetic variation
Displaying items 1 - 10 of 233 start over

1. A Common Genetic Basis in Sweet Corn Inbred Cr1 for Cross Sensitivity to Multiple Cytochrome P450-Metabolized Herbicides

Description:
Includes references
Author:
Nordby, J.N. , Williams, M.M. II , Pataky, J.K. , Riechers, D.E. , Lutz, J.D.
Subject:
Zea mays , sweetcorn , inbred lines , genetic variation , cytochrome P-450 , enzyme activity , herbicides , mechanism of action , herbicide resistance , plant damage , chromosome mapping , nucleotide sequences , genes , loci , alleles
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2008

2. A first assessment of mitochondrial DNA variation and geographic distribution of haplotypes in Hessian fly (Diptera: Cecidomyiidae)

Description:
Includes references
Author:
Johnson, A.J. , Schemerhorn, B.J. , Shukle, R.H.
Subject:
Mayetiola destructor , insect pests , mitochondrial DNA , ribosomal DNA , nucleotide sequences , sequence alignment , sequence homology , haplotypes , genetic variation , genetic distance , phylogeny , population genetics , geographical distribution , zoogeography , biotypes , Wolbachia , United States , Canada , Mediterranean region , Asia , New Zealand
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2004

3. A Genetic Shift in the Virus Strains that Cause Mosaic in Louisiana Sugarcane

Description:
Includes references
Author:
Grisham, M.P. , Pan, Y.B.
Subject:
Saccharum officinarum , sugarcane , genetic variation , temporal variation , genotype , Sugarcane mosaic virus , plant viruses , plant diseases and disorders , reverse transcriptase polymerase chain reaction , restriction fragment length polymorphism , pathogen identification , nucleotide sequences , Sorghum mosaic virus , strains , strain differences , signs and symptoms (plants) , disease surveillance , microbial genetics , Louisiana
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2007

4. A longitudinal study of Giardia duodenalis genotypes in dairy cows from birth to 2 years of age

Description:
Includes references
Author:
Santín, Mónica , Trout, James M. , Fayer, Ronald
Subject:
dairy cows , cattle diseases , disease prevalence , Giardia lamblia , giardiasis , genotype , genetic variation , feces , animal age , cysts (developmental stages) , ribosomal RNA , nucleotide sequences , polymerase chain reaction , calves , heifers , disease reservoirs , Maryland
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2009

5. A naturally occurring epigenetic mutation in a gene encoding an SBP-box transcription factor inhibits tomato fruit ripening

Description:
Includes references
Author:
Manning, Kenneth , Tor, Mahmut , Poole, Mervin , Hong, Yiguo , Thompson, Andrew J. , King, Graham J. , Giovannoni, James J. , Seymour, Graham B.
Subject:
Solanum lycopersicum var. lycopersicum , tomatoes , fruiting , ripening , plant proteins , transcription factors , DNA-binding proteins , promoter regions , epigenetics , plant development , genetic variation , carotenoids , phenotypic variation , nucleotide sequences
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2006

6. A rapid polymerase chain reaction-based assay characterizing rhizosphere populations of 2,4-diacetylphloroglucinol-producing bacteria

Description:
Includes references
Author:
McSpadden Gardener, B.B. , Mavrodi, D.V. , Thomashow, L.S. , Weller, D.M.
Subject:
crops , plant pathogenic fungi , rhizosphere fungi , biological control , Pseudomonas , diagnostic techniques , polymerase chain reaction , strain differences , pathotypes , genetic techniques and protocols , genes , rapid methods , methodology , nucleotide sequences , genetic variation , disease control , plant diseases and disorders , genotype
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2001

7. A redescription of Cryptosporidium galli Pavlasek, 1999 (Apicomplexa: Cryptosporidiidae) from birds

Description:
Includes references
Author:
Ryan, U.M. , Xiao, L. , Read, C. , Sulaiman, I.M. , Monis, P. , Lal, A.A. , Fayer, R. , Pavlasek, I.
Subject:
chickens , birds , Cryptosporidium , oocysts , animal morphology , infection , proventriculus , disease transmission , cryptosporidiosis , ribosomal DNA , structural genes , nucleotide sequences , genetic variation , animal taxonomy , phylogeny , pathogen identification
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2003

8. Abundance and variation of microsatellite DNA sequences in common beans.

Author:
Yu, K. , Park, S.J. , Poysa, V.
Subject:
Phaseolus , Vigna , microsatellite repeats , genetic variation , nucleotide sequences
Physical description:
p. 45-46.
Collection:
Reports of Bean Improvement Cooperative and National Dry Bean Council Research Conference
Series:
Annual report.
Part Of:
Annual report. 1998. v. 41

9. Abundance and variation of microsatellite DNA sequences in common beans.

Author:
Yu, K. , Park, S.J. , Poysa, V.
Subject:
Phaseolus vulgaris , genetic variation , microsatellite repeats , nucleotide sequences , chromosome mapping , DNA profiling
Physical description:
p. 101-102.
Collection:
Reports of Bean Improvement Cooperative and National Dry Bean Council Research Conference
Series:
Annual report.
Part Of:
Annual report. 1998. v. 41

10. Advantages for the Use of Standardized Phenotyping in Databases

Description:
In the special section: Standardized phenotyping: Advantages to horticulture. Paper presented at a workshop held on 21 July 2009 in St. Louis, Missouri.
Author:
Volk, Gayle M.
Subject:
plant breeding , cultivars , genetic variation , DNA profiling , nucleotide sequences , germplasm screening , phenotypic correlation , databases , information dissemination , literature reviews , genetic improvement , agronomic traits , crop quality , crop yield , stress tolerance
Collection:
Journal Articles, USDA Authors, Peer-Reviewed
Year:
2010