Basic mutant information
Mutant name	NtNAM-B1_RNAi
Mutant/Transgenic	transgenic
Ecotype	Wheat (Triticum turgidum subsp)
Mutagenesis type	RNAi
(Semi-)Dominant/Recessive	recessive
Description	delayed senescence
References	1: Uauy C, Distelfeld A, Fahima T, Blechl A, Dubcovsky J A NAC Gene regulating senescence improves grain protein, zinc, and iron content in wheat. Science 2006 Nov 24;314(5803):1298-301 2: Uauy C, Brevis JC, Dubcovsky J The high grain protein content gene Gpc-B1 accelerates senescence and has pleiotropic effects on protein content in wheat. J. Exp. Bot. 2006;57(11):2785-94
Mutated genes
GenBank ID	DQ869673
Alias	NAM-B1
Organism	Wheat (Triticum turgidum)
Description	NAM-B1 encodes a NAC transcription factor (NAM-B1) that accelerates senescence and increases nutrient remobilization from leaves to developing grains, whereas modern wheat varieties carry a nonfunctional NAM-B1 allele. Reduction in RNA levels of the multiple NAM homologs by RNA interference delayed senescence by more than 3 weeks and reduced wheat grain protein, zinc, and iron content by more than 30%.
Phenotype information
Natural senescence Biomass:seeds affected Chlorophyll content high Fv/Fm high Leaf color green