Abstract
Dehydrins(DHN) is a hydrophilic protein widely distributed in plants. DHNs belong to class II in LEA protein family and have important roles in response to abiotic stresses, such as cold, drought and salt, etc. In this study, we performed a bioinformatics analysis to identify the members of the DHN family in maize. Subsequently, we carried out a systematic analysis of these genes, including phylogenetic relationship, gene structure, chromosome location, gene duplication and expression patterns. The results showed that a total of 5 DHN members were identified in maize, and the phylogenetic relationship, gene structure and motif analysis indicated that genes in the DHN family are highly conserved. Gene duplication and interspecies microsynteny analysis demonstrated that one segmental duplication pair(ZmDHN1-ZmDHN2) existed in maize DHN family, while two orthologous gene pairs(ZmDHN2-Sb04g032250.1and ZmDHN2-Os02g44870.1) were detected among maize, rice and sorghum. Analysis of transcriptional data indicated that the DHN genes had different expression patterns at different developmental stages. In addition, the expression of five ZmDHN genes was significantly induced under salt and drought stresses. This study provides a basis for the selection of important DHN genes for further functional analysis in maize.
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Claims 7
Claim · model-written summary
Five DHN members were identified in maize.
Zea maysOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a total of 5 DHN members were identified in maize”
Claim · model-written summary
Phylogeny, gene structure and motifs indicated DHN genes are highly conserved.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the phylogenetic relationship, gene structure and motif analysis indicated that genes in the DHN family are highly conserved”
e1“members of the DHN family in maize”
Claim · model-written summary
One segmental duplication pair, ZmDHN1-ZmDHN2, was found.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“one segmental duplication pair(ZmDHN1-ZmDHN2) existed in maize DHN family”
Claim · model-written summary
Two orthologous pairs were detected across maize, rice and sorghum.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“two orthologous gene pairs(ZmDHN2-Sb04g032250.1and ZmDHN2-Os02g44870.1) were detected among maize, rice and sorghum”
Claim · model-written summary
DHN genes had different expression patterns across developmental stages.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the DHN genes had different expression patterns at different developmental stages”
e1“members of the DHN family in maize”
Claim · model-written summary
Five ZmDHN genes were significantly induced under salt stress.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the expression of five ZmDHN genes was significantly induced under salt and drought stresses”
e1“members of the DHN family in maize”
Claim · model-written summary
Five ZmDHN genes were significantly induced under drought stress.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the expression of five ZmDHN genes was significantly induced under salt and drought stresses”
e1“members of the DHN family in maize”
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