Transcriptomics

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Profiling ethylene-responsive genes expressed in the latex of Hevea brasiliensis using cDNA microarray


ABSTRACT: Ethylene is commonly used as a latex stimulant of Hevea brasiliensis by application of ethephon (chloro-2-ethylphosphonic acid); however, the molecular mechanism by which ethylene increases latex production is not clear. To better understand the effects of ethylene stimulation on the laticiferous cells of rubber trees, a latex expressed sequence tag (EST)-based complementary DNA microarray containing 2973 unique genes (probes) was first developed and used to analyze the latex gene expression changes at three different time-points after ethephon treatment: 8, 24 and 48 h. Transcript levels of 163 genes were significantly altered with fold-change values ≥ 2 or ≤ –2 (q-value < 0.05) in ethephon-treated compared with control rubber trees. Of the 163 genes, 92 were up-regulated and 71 down-regulated. The microarray results were further confirmed using real-time quantitative reverse transcript-PCR for 20 selected genes.

ORGANISM(S): Hevea brasiliensis

PROVIDER: GSE74060 | GEO | 2016/06/01

SECONDARY ACCESSION(S): PRJNA298889

REPOSITORIES: GEO

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