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Fatty acids and their derivatives play important roles in plant defense responses. It has been shown that a mutation in a gene encoding one of stearoyl acyl carrier protein fatty acid desaturase isoforms (ssi2 mutant) enhances the resistance of Arabidopsis to multiple pathogens, and similar results were obtained in rice and soybean. However, it is unknown whether the ssi2 mutant is also resistant...
Small RNAs related to RNA interference are key molecules in many developmental processes, in which they can both regulate developmental gene expression and maintain the integrity of the genome and epigenome. In plants, short interfering RNAs (siRNAs) of 24nt in length are an abundant type of small RNA associated with transposable elements (TEs), other repetitive sequences, and viral defense. One means...
Plants have developed complex signaling networks to regulate biochemical and physiological acclimation, environmental signals were perceived and transmitted to cellular machinery to activate adaptive responses. Here, a novel drought responsive histidine kinase gene was identified and designated as ZmHK9. Under normal conditions, ZmHK9 was predominantly expressed in roots, and the roots of ZmHK9-OX...
Gibberellin (GA) is an essential phytohormone that controls many aspects of plant development. To enhance our understanding of GA metabolism in maize, we intensively screened and identified 27 candidate genes encoding the seven GA metabolic enzymes including ent-copalyl diphosphate synthase (CPS), ent-kaurene synthase (KS), ent-kaurene oxidase (KO), ent-kaurenoic acid oxidase (KAO), GA 20-oxidase...
Most hexaploid wheat genes are present as triplicate homoeologs derived from the ancestral species. Previously, we isolated six wheat cDNAs with open reading frame, encoding methyl CpG-binding domain proteins (MBDs). In this study, the genomic and cDNA sequences of three TaMBD2 homoeologous genes were obtained and mapped on chromosomes 5A, 5B and 5D, respectively. These sequences showed a very high...
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