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Structural genomic variation among soybean NIL's using CGH approach

ABSTRACT: CGH was used to map structural variation (introgressed regions) among soybean iron-inefficient NIL IsoClark with its iron-efficient recurrent parent Clark and donor parent T203. Another NIL series HiPro, LoPro was also used in the study.

ORGANISM(S): Glycine max

PROVIDER: GSE31072 | GEO | 2011/08/02

SECONDARY ACCESSION(S): PRJNA144849

REPOSITORIES: GEO

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Structural genomic variation among soybean NIL's using CGH approach

Project description:CGH was used to map structural variation (introgressed regions) among soybean iron-inefficient NIL IsoClark with its iron-efficient recurrent parent Clark and donor parent T203. Another NIL series HiPro, LoPro was also used in the study. CGH Comparisions were made among a NIL IsoClark with its parents Clark and T203; also comparisions were made among HiPro and LoPro NIL series. The soybean tiling array consists of 700k probes, spaced at approximately 1.1 kb intervals.

2011-08-01 | E-GEOD-31072 | biostudies-arrayexpress

CGH: IsoClark vs. Clark

Project description:Soybean near-isogenic lines (NILs) differing in iron deficiency chlorosis (IDC) tolerance were genotyped to determine differential genetic introgressions from the donor line T203 into the Clark background. The CGH comparison reveals T203 loci that are differentially introgressed between the IsoClark sub-lines. Comparison of IsoClark soybean NILs to the recurrent parent Clark; the reported values show the log2 ratio of the normalized IsoClark hybridization signals (Cy3) over the normalized Clark hybridization signal (Cy5)

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CGH: IsoClark vs. Clark

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cDNA Microarray Analysis of Soybean NILs under Fe Sufficient Hydroponic Conditions

Project description:The purpose of this experiment was to identify any genes differentially expressed between the Soybean Near Isogenic Lines iron efficient Clark and iron inefficient IsoClark under iron sufficient hydroponic conditions. These genes would represent constituative genetic differences between the NILs. Keywords: Near Isogenic Line Comparison of Unstressed Soybean Plants

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Transcription profiling of Soybean iron deficiency in soybean leaf tissue

Project description:This study was designed to identify candidate genes associated with iron efficiency in soybeans. Two genotypes, Clark (PI548553) and IsoClark (PI547430), were grown in both iron sufficient (100uM Fe(NO3)3) and iron deficient (50uM Fe(NO3)3) hydroponics conditions. The second trifoliate was harvested for RNA extraction for the microarray experiment. Candidate genes were identified by comparing gene expression profiles within genotypes between the two iron growth conditions. Experiment Overall Design: This experiment was designed to compare expression profiles of Clark grown in iron sufficient and deficient iron conditions and of IsoClark grown in the same conditions. Plants grown in iron sufficient conditions were used as controls and plants grown in iron deficient conditions were considered experimental. For the Clark genotype, There were two biological replicates of iron deficient plants, and three biological replicates of iron sufficient plants. The IsoClark genotype had three biological replicates for both iron sufficient and deficient conditions.

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Expression data of Soybean (Glycine max) roots from different iron treatments.

Project description:Two Near Isogenic soybean (Glycine max) lines were grown in hydroponic conditions with either 50uM ferric nitrate or 100uM ferric nitrate. After 10 days, half the plants were harvested (total root tissue). At 12 days after planting, iron was added to plants grown in low iron conditions bringing them up to sufficient iron growth conditions. Root tissue was harvested for the remaining plants at 14 days after planting. Gene expression analysis from root tissue of two Near Isogenic Lines (NILs), Clark (PI548553) and IsoClark (PI547430), grown in iron stress or iron stress recovered conditions.

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Expression data of Soybean (Glycine max) roots from different iron treatments.

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Mitchum Soybean NIL-R vs NIL-S Captured Syncytia

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Project description:Two soybean near-isogenic lines (NILs) differing in seed protein content were genotyped to determine differential genetic introgressions from the wild relative Glycine soja. The CGH comparison reveals loci that are differentially introgressed between the two lines.

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