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Zea mays Transcriptome or Gene expression

ABSTRACT: Transcriptome of Zea mays genotypes under control and stress conditions. Stress conditions include heat, cold, salt, and UV. We extracted and sequenced RNA from 14 day old seedlings of inbred lines B73, Mo17 and Oh43 grown using standard conditions as well as seedlings that had been subjected to cold (5Â°C for 16 hours), heat (50Â°C for 4 hours), high salt (watered with 300 mM NaCl 20 hours prior to collection) or UV stress (2 hours). For each stress the plants were sampled immediately following the stress treatment and there were no apparent morphological changes in these plants relative to control plants.

INSTRUMENT(S): Illumina HiSeq 2000

ORGANISM(S): Zea mays

SUBMITTER: Nathan Springer

PROVIDER: E-MTAB-4258 | biostudies-arrayexpress |

REPOSITORIES: biostudies-arrayexpress

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Transposable elements contribute to activation of maize genes in response to abiotic stress.

Makarevitch Irina I Waters Amanda J AJ West Patrick T PT Stitzer Michelle M Hirsch Candice N CN Ross-Ibarra Jeffrey J Springer Nathan M NM

PLoS genetics 20150108 1

Transposable elements (TEs) account for a large portion of the genome in many eukaryotic species. Despite their reputation as "junk" DNA or genomic parasites deleterious for the host, TEs have complex interactions with host genes and the potential to contribute to regulatory variation in gene expression. It has been hypothesized that TEs and genes they insert near may be transcriptionally activated in response to stress conditions. The maize genome, with many different types of TEs interspersed ...[more]

PMID: 25569788

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