Bailing Zhang

Agriculture and Agri-Food Canada, Ottawa, Ontario, Canada

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Publications (2)2.39 Total impact

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    ABSTRACT: Functional properties of soy proteins for food are closely related to the composition of their storage protein subunits. Using base excision sequence scanning (BESS), we show that the absence of the A4 peptide in the G4 glycinin subunit of the soybean (Glycine max L.) cultivar Enrei was caused by the same point mutation in the Gy4 gene as previously reported in the soybean cultivar Raiden. Although the genetic relationship between Raiden and Enrei is not known, the same point mutation in their Gy4 genes may indicate that they probably share a related origin. The application of BESS to identify single nucleotide polymorphisms (SNPs) as co-dominant markers for marker-assisted selection (MAS) of a recessive null allele is also discussed.
    Genetics and Molecular Biology 01/2005; · 0.74 Impact Factor
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    ABSTRACT: A simple sequence repeat (SSR) marker composed of a tetra nucleotide repeat is tightly linked to a major gene of common bean (Phaseolus vulgaris L.) conferring resistance to common bacterial blight (CBB) incited by Xanthomonas axonopodis pv. phasoli (Xap). This SSR is located in the third intron region of the common bean nitrate reductase (NR) gene, which is mapped to linkage group (LG) H7, corresponding to LG B7 of the bean Core map. Co-segregation analysis between the SSR marker and CBB resistance in a recombinant inbred line (RIL) population demonstrated a tight linkage between the NR gene-specific marker and the major gene for CBB resistance. In total, the marker explained approximately 70% of the phenotypic variation in the population. Because it is co-dominant, this SSR marker should be more efficient for marker-assisted selection (MAS) than dominant/recessive random amplified polymorphic DNA (RAPD) or sequence characterized amplified region (SCAR) markers that have been developed, especially for early generation selection.
    Euphytica 01/2004; 138(1):89-95. · 1.64 Impact Factor

Publication Stats

19 Citations
2.39 Total Impact Points

Institutions

  • 2004–2005
    • Agriculture and Agri-Food Canada
      • Greenhouse and Processing Crops Research Centre (GPCRC)
      Ottawa, Ontario, Canada