Abiotic stress responses in plants: unraveling the complexity of genes and networks to survive

AS Duque, AM de Almeida, AB da Silva… - Abiotic stress-plant …, 2013 - books.google.com
AS Duque, AM de Almeida, AB da Silva, JM da Silva, AP Farinha, D Santos, P Fevereiro
Abiotic stress-plant responses and applications in agriculture, 2013books.google.com
Plants are often subjected to unfavorable environmental conditions–abiotic factors, causing
abiotic stresses-that play a major role in determining productivity of crop yields [1] but also
the differential distribution of the plants species across different types of environment [2].
Some examples of abiotic stresses that a plant may face include decreased water
availability, extreme temperatures (heating or freezing), decreased availability of soil
nutrients and/or excess of toxic ions, excess of light and increased hardness of drying soil …
Plants are often subjected to unfavorable environmental conditions–abiotic factors, causing abiotic stresses-that play a major role in determining productivity of crop yields [1] but also the differential distribution of the plants species across different types of environment [2]. Some examples of abiotic stresses that a plant may face include decreased water availability, extreme temperatures (heating or freezing), decreased availability of soil nutrients and/or excess of toxic ions, excess of light and increased hardness of drying soil that hamper roots growth [3]. The abilityof plants to adapt and/oracclimate todifferent environments is directly or indirectly related with the plasticity and resilience of photosynthesis, in combination with other processes, determining plant growth and development, namely reproduction [4]. A remarkablefeatureofplantadaptationtoabioticstressesistheactivationofmultipleresponses involving complex gene interactions and crosstalk with many molecular pathways [5, 6].
Abioticstresseselicitcomplexcellularresponsesthathavebeenelucidatedbyprogressesmade in exploring and understanding plant abiotic responses at the whole-plant, physiological, biochemical, cellular and molecular levels [7]. One of the biggest challenges to modern sustainable agriculture development is to obtain new knowledge that should allow breeding and engineering plants with new and desired agronomical traits [8]. The creation of stresstolerant crop either by genetic engineering or through conventional breeding covered almost all aspects of plant science, and is pursued by both public and private sector researchers [9].
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