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A japonica variety, Koshihikari, is known to have favorable eating quality. Two rice backcross inbred lines (BILs) developed from Koshihikari exhibited significantly different glossiness of cooked rice (GCR), an eating quality trait measured using the Toyo-taste meter. Genetic analysis indicated that the genetic composition of these two BILs differed only on the short arm of chromosome 6, which led...
In order to widen the genetic basis for local rice breeding programs, a set of 506 PCR-based novel insertion/deletion (InDel) markers were designed. The markers have size differences larger than 30 base-pairs and were generated by published genome sequences of rice (Oryza sativa L.) indica and japonica subspecies. Among the 506 InDel markers, 133 markers are polymorphic between the selected parents...
Rab7 is a member of small GTP-binding protein family involved in intracellular vesicle trafficking from late endosome to vacuole, some of them are found to be responsive by different environmental stresses. Here we report the isolation of a Rab7 (RabG3b) cDNA from peanut (Arachis hypogaea). Overexpression of the open reading frame (ORF) of Rab7 cDNA encoding 205 amino acids in E. coli conferred the...
To expand the salt-tolerant gene resources of peanut, we conducted in vitro mutagenesis with pingyangmycin (PYM) as the mutagen and directed screening with medium containing NaCl. After embryonic leaflets from mature peanut seeds (variety Huayu 22) were cultured on somatic embryogenesis-induction medium containing 4 mg/L PYM for 4 weeks, the surviving somatic embryos were sequentially transferred...
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