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Main conclusion Transcriptome analysis was carried out for wheat seedlings and spikes from hybrid Jingmai 8 and both inbred lines to unravel mechanisms underlying heterosis.Heterosis, known as one of the most successful strategies for increasing crop yield, has been widely exploited in plant breeding systems. Despite its great importance, the molecular mechanism underlying heterosis remains elusive...
Phenylalanine ammonia-lyase (PAL) catalyzes the initial step of phenylpropanoid biosynthesis in plants. Five PAL genes (PtrPAL1 to 5) have been identified in Populus trichocarpa. These genes are classified into two subgroups according to their transcript sequence similarity and tissue specificity. However, the regulation of these genes and their protein functions are not well understood. In this study,...
Lignin content and composition are largely determined by the composition and quantity of the monolignol precursors. Individual enzymes of the monolignol biosynthetic pathway determine the composition and quantity of monolignols. Monolignol biosynthesis in angiosperms is mediated by ten enzyme families. We developed a method using a total protein extract (soluble and microsomal) for the comprehensive...
The plant hormone auxin plays a central role in the regulation of plant growth and development, as well as in responses to environmental stimuli. Narciclasine (NCS, an Amaryllidaceae alkaloid) isolated from Narcissus tazetta bulbs has a broad range of inhibitory effects on plants. In this study, the role of NCS in responses to auxin in Arabidopsis thaliana roots was investigated. We demonstrated the...
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