Function of gibberellins Video
Biosynthesis of Gibberelins function of gibberellinsRESULTS AND DISCUSSION
Metrics details. Bolting refers to the early flowering function of gibberellins production on agricultural and horticultural crops before harvesting. Indeed, bolting is an event induced by the coordinated effects of various environmental factors and endogenous genetic components, which cause a large reduction in the quality and productivity of vegetable crops like spinach.
However, little is known about the signaling pathways and molecular functions involved in bolting mechanisms in spinach. The genetic information regarding the transition from vegetative growth to the reproductive stage in spinach would represent an advantage to regulate bolting time and improvement of resistant cultivars to minimize performance loss.
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To investigate the key genes read more their genetic networks controlling spinach bolting, we performed RNA-seq analysis on early bolting accession Kashan and late-bolting accession Viroflay at both vegetative and reproductive stages and found a significant number of differentially expressed genes DEGs ranging from to in different comparisons. This study is the first report on identifying bolting and flowering-related genes based on transcriptome sequencing in spinach, which provides insight into bolting control and can be useful for molecular breeding programs and further study in the regulation of the genetic mechanisms related to bolting in other vegetable crops. Peer Review reports. Spinach Spinacia oleracea L. Bolting or premature flowering, a critical event due to the coordinated effects function of gibberellins various environmental factors and endogenous genetic components [ 6 function of gibberellins, 7 ], is known as one of the most important factors which can cause a large reduction in quality, productivity, and serious economic loss in spinach crop, particularly in the spring [ 8910 ].
Late-bolting spinach varieties can cut multiple times during the growing season and increases the overall yield because they are function of gibberellins sensitive to photoperiod [ 9 ]. Hence, the use of late-bolting cultivars and regulation of bolting time are the most successful ways to limit the effect of bolting on spinach productivity.
Moreover, research on the signaling pathways and molecular functions of flowering-related genes can enable researchers to regulate bolting. In recent years, many studies have revealed flowering-related signaling pathways and regulatory networks in model plants [ 1112131415 ], but few studies have focused on spinach.
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Studies on Arabidopsis [ 15 ], radish [ 16 ], carrot [ 17 ], and lettuce [ 18 ] have discovered substantial information regarding the influence of photoperiod, aging, vernalization, endogenous hormones especially gibberellinsand signal cascades on bolting. Based on both physiological and genetic studies, a decrease in gibberellin content affects flower formation by restricting internode elongation. LFY is one of the main target genes in the gibberellins pathway [ 24 ]. Most of the information has function of gibberellins uncovered over the past few years by using Next-generation sequencing NGS technologies.]
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