The Role of Transcription Factors in Wheat Under Different Abiotic Stresses - Abiotic Stress: Plant Responses and Applications in Agriculture - page 367

genes through binding to the specific cis-acting element in the promoters of these genes, also
responsive members [58]. One TF gene can control the expression of a broad range of target
NAC [78] and C2H2 zinc finger [31] families comprise a high proportion of abiotic stress-
to play a role in stress responses in plants. Among them, the bZIP [69], WRKY [43], AP2 [64],
genes and gene clusters [49]. Many families of transcription factors have been demonstrated
Transcription factors (TFs) are considered to be the most important regulators that control
widely regulated by specific transcription factors [58, 65].
removal of reactive oxygen species (ROS) [3]. The production of these functional proteins is
damage, such as dehydrins, enzymes for the synthesis of osmolytes and enzymes for the
expression. Many of the differentially expressed gene products protect plant cells from
to these adverse conditions. These adaptations require a large number of changes in gene
biochemical, physiological and morphological, responses in plants in the process of adaptation
wheat [58, 83]. Abiotic stresses such as drought and high salinity lead to wide range of
stress response and tolerance, and will ultimately lead to improvement of stress tolerance in
tional study of stress responsive genes will elucidate the molecular mechanisms of the plant
severely affected by adverse environmental stresses. Therefore, the identification and func‐
conditions subjected to many environmental stresses [68]. Unfortunately, its production is
population [83]. It is grown under both rain-fed and irrigated cultivation and thus under
important agricultural crops, wheat is a staple food crop for a large portion of the world's
Wheat ( Triticum aestivum L.) is one of the four major cereals in the world. As one of the most
ture in the many regions in the world that are prone to such stresses [48].
productivity of plants. The development of stress-tolerant crops will be essential for agricul‐
Abiotic stresses such as drought, salinity and low temperature adversely affect the growth and
1. Introduction
http://dx.doi.org/10.5772/54795
Additional information is available at the end of the chapter
Mahdi Rahaie, Gang-Ping Xue and Peer M. Schenk
Different Abiotic Stresses
The Role of Transcription Factors in Wheat Under
Chapter 11