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Changes in gene expression in maize kernel in response to water and salt stress

Authorized Users Only
2006
Authors
Anđelković, Violeta
Thompson, R
Article (Published version)
Metadata
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Abstract
Increasing pressure on limited water resources for agriculture, together with the global temperature increase, highlight the importance of breeding for drought-tolerant cultivars. A better understanding of the molecular nature of drought stress can be expected through the use of genomics approaches. Here, a macroarray of approximate to 2500 maize cDNAs was used for determining transcript changes during water- and salt-stress treatments of developing kernels at 15 days after pollination. Normalization of relative transcript abundances was carried out using a human nebulin control sequence. The proportions of transcripts that changed significantly in abundance upon treatment (> 2-fold compared to the control) were determined; 1.5% of the sequences examined were up-regulated by high salinity and 1% by water stress. Both stresses induced 0.8% of the sequences. These include genes involved in various stress responses: abiotic, wounding and pathogen attack (abscisic acid response binding fac...tor, glycine and proline-rich proteins, pathogenesis-related proteins, etc.). The proportion of down-regulated genes was higher than that for up-regulated genes for water stress (3.2%) and lower for salt stress (0.7%), although only eight genes, predominantly involved in energy generation, were down-regulated in both stress conditions. Co-expression of genes of unknown function under defined conditions may help in elucidating their roles in coordinating stress responses.

Keywords:
expression analysis / macroarray / salt and water stress / Zea mays L
Source:
Plant Cell Reports, 2006, 25, 1, 71-79
Publisher:
  • Springer, New York
Funding / projects:
  • EU-FP5 project QLK-2000-00302, SeedDesign.

DOI: 10.1007/s00299-005-0037-x

ISSN: 0721-7714

PubMed: 16362303

WoS: 000234875700009

Scopus: 2-s2.0-31344441718
[ Google Scholar ]
68
57
URI
http://rik.mrizp.rs/handle/123456789/144
Collections
  • Радови истраживача / Researchers' publications
Institution/Community
MRIZP
TY  - JOUR
AU  - Anđelković, Violeta
AU  - Thompson, R
PY  - 2006
UR  - http://rik.mrizp.rs/handle/123456789/144
AB  - Increasing pressure on limited water resources for agriculture, together with the global temperature increase, highlight the importance of breeding for drought-tolerant cultivars. A better understanding of the molecular nature of drought stress can be expected through the use of genomics approaches. Here, a macroarray of approximate to 2500 maize cDNAs was used for determining transcript changes during water- and salt-stress treatments of developing kernels at 15 days after pollination. Normalization of relative transcript abundances was carried out using a human nebulin control sequence. The proportions of transcripts that changed significantly in abundance upon treatment (> 2-fold compared to the control) were determined; 1.5% of the sequences examined were up-regulated by high salinity and 1% by water stress. Both stresses induced 0.8% of the sequences. These include genes involved in various stress responses: abiotic, wounding and pathogen attack (abscisic acid response binding factor, glycine and proline-rich proteins, pathogenesis-related proteins, etc.). The proportion of down-regulated genes was higher than that for up-regulated genes for water stress (3.2%) and lower for salt stress (0.7%), although only eight genes, predominantly involved in energy generation, were down-regulated in both stress conditions. Co-expression of genes of unknown function under defined conditions may help in elucidating their roles in coordinating stress responses.
PB  - Springer, New York
T2  - Plant Cell Reports
T1  - Changes in gene expression in maize kernel in response to water and salt stress
VL  - 25
IS  - 1
SP  - 71
EP  - 79
DO  - 10.1007/s00299-005-0037-x
ER  - 
@article{
author = "Anđelković, Violeta and Thompson, R",
year = "2006",
abstract = "Increasing pressure on limited water resources for agriculture, together with the global temperature increase, highlight the importance of breeding for drought-tolerant cultivars. A better understanding of the molecular nature of drought stress can be expected through the use of genomics approaches. Here, a macroarray of approximate to 2500 maize cDNAs was used for determining transcript changes during water- and salt-stress treatments of developing kernels at 15 days after pollination. Normalization of relative transcript abundances was carried out using a human nebulin control sequence. The proportions of transcripts that changed significantly in abundance upon treatment (> 2-fold compared to the control) were determined; 1.5% of the sequences examined were up-regulated by high salinity and 1% by water stress. Both stresses induced 0.8% of the sequences. These include genes involved in various stress responses: abiotic, wounding and pathogen attack (abscisic acid response binding factor, glycine and proline-rich proteins, pathogenesis-related proteins, etc.). The proportion of down-regulated genes was higher than that for up-regulated genes for water stress (3.2%) and lower for salt stress (0.7%), although only eight genes, predominantly involved in energy generation, were down-regulated in both stress conditions. Co-expression of genes of unknown function under defined conditions may help in elucidating their roles in coordinating stress responses.",
publisher = "Springer, New York",
journal = "Plant Cell Reports",
title = "Changes in gene expression in maize kernel in response to water and salt stress",
volume = "25",
number = "1",
pages = "71-79",
doi = "10.1007/s00299-005-0037-x"
}
Anđelković, V.,& Thompson, R.. (2006). Changes in gene expression in maize kernel in response to water and salt stress. in Plant Cell Reports
Springer, New York., 25(1), 71-79.
https://doi.org/10.1007/s00299-005-0037-x
Anđelković V, Thompson R. Changes in gene expression in maize kernel in response to water and salt stress. in Plant Cell Reports. 2006;25(1):71-79.
doi:10.1007/s00299-005-0037-x .
Anđelković, Violeta, Thompson, R, "Changes in gene expression in maize kernel in response to water and salt stress" in Plant Cell Reports, 25, no. 1 (2006):71-79,
https://doi.org/10.1007/s00299-005-0037-x . .

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