abstract nucleotide sequence encoding homeobox4 (wox4) protein related to corchorus olitorius wuschel and corchorus capsularis and methods of using them the present invention reveals isolated polynucleotides encoding wuschel-related homeobox4 proteins from two species of jute plants, the namely, corchorus olitorius ("c. olitorius") and corchorus capsularis ("c. capsularis"), and corresponding polypeptides derived therefrom. the published polynucleotide sequences encode wuschel-related homeobox4 (wox4) polypeptides, which have catalytic activities in increasing jute fiber production. the present invention also relates to plants with a modulated expression of a nucleic acid encoding a wox4 polypeptide, which have fiber reinforced in relation to the yield of corresponding wild-type plants or other control plants. vectors, expression constructs and host cells that comprise and / or that consist of the nucleotide sequences of the protein are also provided. methods for producing proteins and methods for modifying proteins to improve their desirable characteristics are also described. the proteins of the invention can be used in a variety of ways, including inducing, initiating, improving, or enhancing plant growth, plant height, fiber and seed production.
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