Abiotic Stress in Plants and Metabolic Responses - Abiotic Stress: Plant Responses and Applications in Agriculture - page 25

interactions.
of plant metabolomes and metabolic fluxes with a focus on abiotic stress-tolerance trait
responses identified in plants so far are discussed. We also include recent advances in the study
traits that may be transferable to cultivated crop species. In this review, the diverse metabolic
metabolic data concerning abiotic stress responses is helping in the identification of tolerance
more recently, to identify metabolic quantitative trait loci. The integration of the collected
responses to abiotic stress, ( ii ) to discover novel genes and annotate gene function, and, ( iii )
amount of research has been done using metabolomic approaches to ( i ) characterize metabolic
how they are dynamically modified under stress adaptation and tolerance processes. A vast
of metabolites is increasing our knowledge of how complex metabolic networks interact and
the systematic approach through which qualitative and quantitative analysis of a large number
specific abiotic stress, integrative and comprehensive analyses are required. Metabolomics is
all the simultaneous metabolic responses and, more importantly, to link these responses to a
respond to stress more quickly than transcriptional activities do. In order to study and map
acclimation and survival. Time-series experiments have revealed that metabolic activities
cells restore chemical and energetic imbalances imposed by the stress and is crucial to
drate, and amine metabolic pathways. Proper activation of early metabolic responses helps
adjustments in response to abiotic stressors involve fine adjustments in amino acid, carbohy‐
concentration, transport, and storage of primary and secondary metabolites. Metabolic
defense responses. At the same time, in feedback, abiotic stresses affect the biosynthesis,
affected, metabolism is profoundly involved in signaling, physiological regulation, and
vast reservoir of diverse functions. When the environment is adverse and plant growth is
processes. There are more than 200,000 known plant secondary metabolites, representing a
The vast metabolic diversity observed in plants is the direct result of continuous evolutionary
1. Introduction
http://dx.doi.org/10.5772/54859
Additional information is available at the end of the chapter
Victor Emmanuel Balderas-Hernández
Saúl Fraire-Velázquez and
Abiotic Stress in Plants and Metabolic Responses
Chapter 2