Salt stress

Cloning and characterization of peanut allene oxide cyclase gene involved in salt-stressed responses

H. H. Liu, Wang, Y. G., Wang, S. P., and Li, H. J., Cloning and characterization of peanut allene oxide cyclase gene involved in salt-stressed responses, vol. 14, pp. 2331-2340, 2015.

In this study, the full-length cDNA encoding allene oxide cyclase (AhAOC) was isolated from peanut (Arachis hypogaea L.). The deduced amino acid sequence of AhAOC showed high homology with other plant AOCs. The transcript of AhAOC was found to be abundantly expressed in roots. Expression analysis demonstrated that AhAOC was induced by abscisic acid, methyl-jasmonic acid, salicylic acid, salinity, polyethylene glycol, and cold stresses, particularly by high salinity.

Salt stress represses production of extracellular proteases in Bacillus pumilus

R. F. Liu, Huang, C. L., and Feng, H., Salt stress represses production of extracellular proteases in Bacillus pumilus, vol. 14, pp. 4939-4948, 2015.

Bacillus pumilus is able to secrete subtilisin-like prote­ases, one of which has been purified and characterized biochemically, demonstrating great potential for use in industrial applications. In the current study, the biosynthesis and transcription of extracellular pro­teases in B. pumilus (BA06) under salt stress were investigated using various methods, including a proteolytic assay, zymogram analysis, and real-time PCR.

Ascorbate peroxidase from Jatropha curcas enhances salt tolerance in transgenic Arabidopsis

Y. Chen, Cai, J., .X.Yang, F., Zhou, B., and Zhou, L. R., Ascorbate peroxidase from Jatropha curcas enhances salt tolerance in transgenic Arabidopsis, vol. 14, pp. 4879-4889, 2015.

Ascorbate peroxidase (APX) plays a central role in the ascorbate-glutathione cycle and is a key enzyme in cellular H2O2 me­tabolism. It includes a family of isoenzymes with different character­istics, which are identified in many higher plants. In the present study, we isolated the APX gene from Jatropha curcas L, which is similar with other previously characterized APXs as revealed by alignment and phylogenetic analysis of its deduced amino acid sequence.

Comprehensive gene expression analysis of the DNA (cytosine-5) methyltransferase family in rice (Oryza sativa L.)

F. Ahmad, Huang, X., Lan, H. X., Huma, T., Bao, Y. M., Huang, J., and Zhang, H. S., Comprehensive gene expression analysis of the DNA (cytosine-5) methyltransferase family in rice (Oryza sativa L.), vol. 13, pp. 5159-5172, 2014.

Cytosine DNA methylation is a conserved epigenetic regulatory mechanism in both plants and animals. DNA methyltransferases (DNA MTases) not only initiate (de novo) but also maintain the process of DNA methylation. Here, we characterized the genome-wide expression profiles of 10 cytosine DNA MTase genes belonging to 4 subfamilies, MET1, CMT, DNMT2, and DRM, in rice.

Isolation of the P5CS gene from reed canary grass and its expression under salt stress

L. L. Cong, Zhang, X. Q., Yang, F. Y., Liu, S. J., and Zhang, Y. W., Isolation of the P5CS gene from reed canary grass and its expression under salt stress, vol. 13, pp. 9122-9133, 2014.

Reed canary grass (RCG) is a perennial grass traditionally cultivated for forage. It is also used as fuel to produce energy in Finland and Sweden, and other countries have expressed interest in the cultivation of RCG. In China, arable land is limited. Salinity is considered to be a major factor limiting plant crop development and productivity. To boost biofuel production of RCG and extend its range in saline soil, we seek to improve its salt tolerance. Proline acts as an osmolyte that accumulates when plants are subjected to abiotic stress.

Salt stress causes a shift in the localization pattern of germin gene expression

M. Caliskan, Salt stress causes a shift in the localization pattern of germin gene expression, vol. 8, pp. 1250-1256, 2009.

The response of plants to biotic and abiotic stress factors involves biochemical, physiological, morphological, and developmental changes. Salt stress has been the subject of extensive studies due to the low salt tolerance of many crop plants. Germin and germin-like gene products are known to be involved in various aspects of plant development, such as defense, embryonic development and response to biotic as well as abiotic stress, including salt. The responses of germin and germin-like genes to salt stress vary in different plants.

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