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The homeodomain-leucine zipper (HD-Zip) gene family plays an important role in plant growth and environmental responses. At present, research on the HD-Zip gene family of barley is incomplete. In this study, 32 HD-Zip genes (HvHD-Zip 1-32) were identified from the barley genome and were subsequently divided into four subfamilies according to conserved structure and motif analysis. Whole genome replication events in barley and Arabidopsis, rice, and wheat HD-Zip gene families were analyzed, yielding 3, 14 and 25 gene pairs, respectively, but no segmental or tandem duplication events were identified in the barley HD-Zip gene family. Subsequently, quantitative real-time PCR (qRT-PCR) analysis revealed that the HvHD-Zip gene is sensitive to drought stress and that members of the HD-Zip I and HD-Zip IV subfamilies are generally more sensitive to abiotic stresses. Our results suggest a relationship between barley resistance and the potential key HvHD-Zip gene, which lay the foundation for further functional studies.
This article was published in the following journal.
Name: Plant physiology and biochemistry : PPB
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To analyze the genome pattern in human gastric Intestinal Metaplasia Mucosa and duodenal Mucosa.
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The determination of the pattern of genes expressed at the level of GENETIC TRANSCRIPTION, under specific circumstances or in a specific cell.
A basic-leucine zipper transcription factor that was originally described as a transcriptional regulator controlling expression of the BETA-GLOBIN gene. It may regulate the expression of a wide variety of genes that play a role in protecting cells from oxidative damage.
The expression of a gene in an abnormal place, or at an abnormal time in an organism. Ectopic Gene Expression is often induced artificially by genetic techniques.
A form of gene interaction whereby the expression of one gene interferes with or masks the expression of a different gene or genes. Genes whose expression interferes with or masks the effects of other genes are said to be epistatic to the effected genes. Genes whose expression is affected (blocked or masked) are hypostatic to the interfering genes.
The integration of exogenous DNA into the genome of an organism at sites where its expression can be suitably controlled. This integration occurs as a result of homologous recombination.
Bioinformatics is the application of computer software and hardware to the management of biological data to create useful information. Computers are used to gather, store, analyze and integrate biological and genetic information which can then be applied...
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Polymerase Chain Reaction (PCR)
PCR (Polymerase Chain Reaction) uses the ability of DNA polymerase (enzymes that create DNA molecules by assembling nucleotides, the building blocks of DNA. These enzymes are essential to DNA replication and usually work in pairs to create two ident...