نتایج جستجو برای: zea mays
تعداد نتایج: 20434 فیلتر نتایج به سال:
Plant defense genes are subject to nonneutral evolutionary dynamics. Here we investigate the evolutionary dynamics of the duplicated defense genes hm1 and hm2 in maize and its wild ancestor Zea mays ssp. parviglumis. Both genes have been shown to confer resistance to the fungal pathogen Cochliobolus carbonum race 1, but the effectiveness of resistance differs between loci. The genes also displa...
A prior study (13) from this laboratory showed that oxidation of exogenously applied indole-3-acetic acid (IAA) to oxindole-3-acetic acid (OxIAA) is the major catabolic pathway for IAA in Zea mays endosperm. In this work, we demonstrate that OxIAA is a naturally occurring compound in shoot and endosperm tissue of Z. mays and that the amount of OxIAA in both shoot and endosperm tissue is approxi...
Analysis of four nearby transpositions of Ac from the waxy locus indicate that the element can reinsert to either side. The cause of the asymmetry observed for P-VV transpositions is discussed and a model is presented to account for the high frequency of close reinsertions of Ac.
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