Physiological and molecular insights into drought tolerance | Zendy

Sagadevan Mundree | Zendy; Bienyameen Baker | Zendy; Mowla Shaheen | Zendy; Shaun Peters | Zendy; Marais Saberi | Zendy; V Clare | Zendy; Willigen er | Zendy; Govender Kershini | Zendy; Maredza Alice | Zendy; M. Samson | Zendy; Jill M. Farrant | Zendy; A Thomson Jennifer | Zendy

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Physiological and molecular insights into drought tolerance

Author(s) -

Sagadevan Mundree,

Bienyameen Baker,

Mowla Shaheen,

Shaun Peters,

Marais Saberi,

V Clare,

Willigen er,

Govender Kershini,

Maredza Alice,

M. Samson,

Jill M. Farrant,

A Thomson Jennifer

Publication year - 2002

Publication title -

african journal of biotechnology

Language(s) - English

Resource type - Journals

ISSN - 1684-5315

DOI - 10.5897/ajb2002.000-006

Subject(s) - osmoprotectant , drought tolerance , biology , desiccation , abscisic acid , extreme environment , desiccation tolerance , limiting , gene , transcription factor , drought stress , osmotic shock , abiotic stress , botany , biochemistry , genetics , proline , bacteria , amino acid , mechanical engineering , engineering

Water is a major limiting factor in world agriculture. In general, most crop plants are highly sensitive to even a mild dehydration stress. There are however, a few genera of plants unique to Southern Africa, called "resurrection plants" which can tolerate extreme water loss or desiccation. We have used Xerophyta viscosa, a representative of the monocotyledonous resurrection plants to isolate genes that are associated with osmotic stress tolerance. Several genes that are differentially expressed, and that confer functional sufficiency to osmotically-stressed Escherichia coli are being studied at the molecular and biochemical levels. In this review, we use this as a basis to discuss the physiological and molecular insights into drought tolerance. (African Journal of Biotechnology: 2002 1(2): 28-38)

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