Concurrent Overexpression of Rice GS1;1 and GS2 Genes to Enhance the Nitrogen Use Efficiency (NUE) in Transgenic Rice

Lal, Shambhu Krishan; Mehta, Sahil; Raju, Dhandapani; Achary, V. Mohan Murali; Venkatapuram, Ajay Kumar; Yadav, Shashank Kumar; Parmar, Hemangini; Pandey, Rakesh; Panditi, Varakumar; Sheri, Vijay; Singh, Anil Kumar; Chinnusamy, Viswanathan; Reddy, Malireddy K.

doi:10.1007/s00344-023-10988-z

Cited by 6 publications

(1 citation statement)

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“…Also, concurrent ectopic expression of OsGS1;1 and OsGS2 under the rice Actin1 and rice Actin2 promoters, respectively, improved NUE, permitting them to efficiently reassimilate the released ammonia. These transgenic rice plants demonstrated a better growth and productivity with an improved net photosynthetic efficiency [151].…”

Section: Transgenic Cereals Overexpressing Gs or Gogatmentioning

confidence: 99%

The Role of Glutamine Synthetase (GS) and Glutamate Synthase (GOGAT) in the Improvement of Nitrogen Use Efficiency in Cereals

Fortunato,

Nigro,

Lasorella

et al. 2023

Biomolecules

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Cereals are the most broadly produced crops and represent the primary source of food worldwide. Nitrogen (N) is a critical mineral nutrient for plant growth and high yield, and the quality of cereal crops greatly depends on a suitable N supply. In the last decades, a massive use of N fertilizers has been achieved in the desire to have high yields of cereal crops, leading to damaging effects for the environment, ecosystems, and human health. To ensure agricultural sustainability and the required food source, many attempts have been made towards developing cereal crops with a more effective nitrogen use efficiency (NUE). NUE depends on N uptake, utilization, and lastly, combining the capability to assimilate N into carbon skeletons and remobilize the N assimilated. The glutamine synthetase (GS)/glutamate synthase (GOGAT) cycle represents a crucial metabolic step of N assimilation, regulating crop yield. In this review, the physiological and genetic studies on GS and GOGAT of the main cereal crops will be examined, giving emphasis on their implications in NUE.

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Section: Transgenic Cereals Overexpressing Gs or Gogatmentioning

confidence: 99%