Analysis of genetic diversity in cytoplasmic male sterility, and association of mitochondrial genes with petaloid-type cytoplasmic male sterility in tuber mustard (Brassica juncea var. tumida Tsen et Lee).

Abstract excerpt

In our previous study, we bred a stable cytoplasmic male sterility (CMS) line of tuber mustard by using distant hybridization and subsequent backcrosses. In this CMS plants, all floral organs are normal except the anthers, which are transformed into petals or tubular structures. Recently, 2 mitochondrial genes-atpA and orf220-that are distinctively present in the CMS line of tuber mustard were cloned and...

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