What do dehydrins do?
Dehydrins belong to the group II LEA proteins, which were initially identified as the “D-11″ family in the developing cotton embryos. Dehydrins are considered stress proteins involved in the formation of plants’ protective reactions to dehydration. They can also be considered as hydrophilins.
What is dehydrin gene?
Dehydrins belong to a protein family whose expression may be induced or enhanced by developmental process and environmental stresses that lead to cell dehydration. A dehydrin gene named OesDHN was isolated and characterized from oleaster (Olea europaea L. subsp. europaea, var. sylvestris), the wild form of olive.
What are Dehydrin proteins?
Dehydration proteins (dehydrins) are group 2 members of the late embryogenesis abundant (LEA) protein family. The protein architecture of dehydrins can be described by the presence of three types of conserved sequence motifs that have been named the K-, Y-, and S-segments.
What are protective functions of Dehydrins on cell structure?
simple (III) Dehydrins can non-specifically bind proteins and membranes, which can protect the function and structure of the protein or membrane from damage caused by environmental stresses. simple (Iv) Dehydrins can bind DNA, which may repair or protect the DNA from damage caused by environmental stresses.
What is the function of K segment in structure of Dehydrin gene?
Our data provide evidence that the K-segment plays a significant role in WZY2 function. This segment is critical for maintaining bacterial growth, enhancing LDH activity, and preventing protein aggregation during temperature stress.
What kind of protein is dehydrin in plants?
Dehydrin (DHN) is a multi-family of proteins present in plants that is produced in response to cold and drought stress. DHNs are hydrophilic, reliably thermostable, and disordered.
When does the synthesis of dehydrin take place?
Synthesis of the set of robust, hydrophilic proteins termed LEAs ( dehydrin -like proteins) precedes maturation drying during orthodox seed development.
How are dehydrins related to Late Embryogenesis Abundant proteins?
The genes encoding these late-embryogenesis-abundant (LEA) proteins, have highly coordinated regulation so that their corresponding mRNAs peak just prior to, or during, desiccation. Dehydrins are a subset of the LEA proteins that exhibit some common structural features, suggesting a protective function during desiccation.
Why do plants produce dehydrin in cold weather?
Dehydrin (DHN) is a multi-family of proteins present in plants that is produced in response to cold and drought stress.
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