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Low-temperature-responsive Barley Genes Have Different Control Mechanisms

Low-temperature-responsive Barley Genes Have Different Control Mechanisms

M A Dunn, N J Goddard, L Zhang, R S Pearce, M A Hughes

Plant Mol Biol. 1994 Mar;24(6):879-88.

PMID: 8204825

Abstract:

Several low-temperature-responsive (LTR) genes from barley have been shown to have high steady-state transcript levels. Run-on transcription was used to determine the control of expression of these LTR genes. Six of these are shown to be transcriptionally regulated (blt 4/9, blt 101, blt 1015, blt 63, blt 49, blt 410) whilst three are post-transcriptionally regulated (blt 14, blt 411, blt 801). Two transcriptionally regulated genes (blt 4/9 and blt 101) and one post-transcriptionally regulated gene (blt 14) have been used in expression studies. The time course for the appearance and decay of these transcripts is given. Initial appearance and steady-state levels of individual transcripts have different temperature characteristics but no single gene correlates with the cold acclimation response. We suggest that these different response profiles may represent a means of fine-tuning the low-temperature response. One gene, blt 4/9, also accumulated high steady-state levels of transcript in response to drought and a nutrient stress. However, only drought has an acclimating effect on barley plants.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP251917790	BLT-4		251917-79-0	Price

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