A Major QTL Confers Rapid Internode Elongation in Response to Water Rise in Deepwater Rice
نویسندگان
چکیده
منابع مشابه
QTL analysis of internode elongation in response to gibberellin in deepwater rice
Gibberellin (GA) is a plant hormone that has important roles in numerous plant developmental phases. Rice plants known as deepwater rice respond to flooding by elongating their internodes to avoid anoxia. Previous studies reported that GA is essential for internode elongation in deepwater rice. Quantitative trait locus (QTL) analyses identified QTLs regulating internode elongation in response t...
متن کاملeQTLs Regulating Transcript Variations Associated with Rapid Internode Elongation in Deepwater Rice
To avoid low oxygen, oxygen deficiency or oxygen deprivation, deepwater rice cultivated in flood planes can develop elongated internodes in response to submergence. Knowledge of the gene regulatory networks underlying rapid internode elongation is important for an understanding of the evolution and adaptation of major crops in response to flooding. To elucidate the genetic and molecular basis c...
متن کاملGibberellin biosynthesis and signal transduction is essential for internode elongation in deepwater rice
Under flooded conditions, the leaves and internodes of deepwater rice can elongate above the water surface to capture oxygen and prevent drowning. Our previous studies showed that three major quantitative trait loci (QTL) regulate deepwater-dependent internode elongation in deepwater rice. In this study, we investigated the age-dependent internode elongation in deepwater rice. We also investiga...
متن کاملTwo novel QTLs regulate internode elongation in deepwater rice during the early vegetative stage
Deepwater rice possesses internode elongation ability to avoid drowning under deepwater conditions. Previous studies identified three QTLs regulating internode elongation ability on chromosomes 1, 3 and 12 using different populations. However, these QTLs only induce internode elongation in response to deepwater conditions from the 7-leaf stage and not during the early leaf stage. In this study,...
متن کاملDeepwater rice: A model plant to study stem elongation
Semiaquatic plants grow mostly in flood plains and along river beds and are adapted to survive partial submergence during periods of flooding (Blom and Voesenek, 1996). Among their adaptive features are the development of internal air channels (aerenchyma) that facilitate aeration of submerged organs and the capacity for rapid elongation when the plants become partially covered by floodwaters. ...
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ژورنال
عنوان ژورنال: Breeding Science
سال: 2007
ISSN: 1344-7610,1347-3735
DOI: 10.1270/jsbbs.57.305