The biotechnological importance of the plant-specific NAC transcription factor family in crop improvement

Climate change, malnutrition, and food insecurity are the inevitable challenges being faced by the agriculture sector today. Plants are susceptible to extreme temperatures during the crucial phases of flowering and seed development, and elevated carbon levels also lead to yield losses. Productivity...

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Veröffentlicht in:Journal of Plant Research Jg. 134; H. 3; S. 475 - 495
Hauptverfasser: Singh, Sadhana, Koyama, Hiroyuki, Bhati, Kaushal K., Alok, Anshu
Format: Journal Article
Sprache:Englisch
Veröffentlicht: Singapore Springer Science and Business Media LLC 01.05.2021
Springer Singapore
Springer Nature B.V
Schlagworte:
abiotic stress
agricultural industry
Agricultural production
Apoptosis
biomass
Biomedical and Life Sciences
Biotechnology
carbon
Cell death
Cell walls
Cereals
Climate Change
Crop Improvement
Crop yield
Current Topics in Plant Research
Drought
Droughts
Environmental stress
Flowering
Food
Food and Nutrition
food crops
Food plants
Food Security
Gene Expression Regulation, Plant
Gene regulation
Genes
genetically modified organisms
lateral roots
leaves
Legume Crops
Life Sciences
Malnutrition
Plant Biochemistry
Plant Ecology
Plant Physiology
Plant Proteins
Plant Proteins - genetics
Plant Proteins - metabolism
Plant Science
Plant Sciences
Plants (botany)
Plants, Genetically Modified
Plants, Genetically Modified - metabolism
programmed cell death
Root development
seed development
seed size
Senescence
stress tolerance
Stress, Physiological
Survivability
Transcription Factors
Transcription Factors - genetics
Legumes
NAC
Cereals
Transcription factor
Arabidopsis
ISSN:0918-9440, 1618-0860, 1618-0860
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Beschreibung
Zusammenfassung:Climate change, malnutrition, and food insecurity are the inevitable challenges being faced by the agriculture sector today. Plants are susceptible to extreme temperatures during the crucial phases of flowering and seed development, and elevated carbon levels also lead to yield losses. Productivity is also affected by floods and droughts. Therefore, increasing plant yield and stress tolerance are the priorities to be met through novel biotechnological interventions. The contributions of NAC genes towards enhancing plant survivability under stress is well known. Here we focus on the potential of NAC genes in the regulation of abiotic stress tolerance, secondary cell wall synthesis, lateral root development, yield potential, seed size and biomass, ROS signaling, leaf senescence, and programmed cell death. Once naturally tolerant candidate NAC genes have been identified, and the nature of their association with growth and fitness against multi-environmental stresses has been determined, they can be exploited for building inherent tolerance in future crops via transgenic technologies. An update on the latest developments is provided in this review, which summarizes the current understanding of the roles of NAC in the establishment of various stress-adaptive mechanisms in model and food crop plants.
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ISSN:0918-9440
1618-0860
1618-0860
DOI:10.1007/s10265-021-01270-y