ArticleBMC plant biology2016
PtrA/NINV, an alkaline/neutral invertase gene of Poncirus trifoliata, confers enhanced tolerance to multiple abiotic stresses by modulating ROS levels and maintaining photosynthetic efficiency.
Article in BMC plant biology, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 65 papers.
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65 citing papers in PubMed, 195 citations in OpenAlex.
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- Genome-wide identification of WRKY transcription factors in Casuarina equisetifolia and the function analysis of CeqWRKY11 in response to NaCl/NaHCOBMC plant biology · 2024Article
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- Physiological and transcriptomic comparisons shed light on the cold stress response mechanisms of Dendrobium spp.BMC plant biology · 2024Article
- Exploring the role of GhN/AINV23: implications for plant growth, development, and drought tolerance.Biology direct · 2024Article
- Genome-wide identification of B-box zinc finger (BBX) gene family in Medicago sativa and their roles in abiotic stress responses.BMC genomics · 2024Article
- Identification, characterisation and expression analysis of peanut sugar invertase genes reveal their vital roles in response to abiotic stress.Plant cell reports · 2024Article
- Full-length single-molecule sequencing uncovers novel insight into the global landscape of the cold stress response in trifoliate orange (Frontiers in plant science · 2024Article
- Transcriptomic and sugar metabolic analysis reveals molecular mechanisms of peach gummosis in response toFrontiers in plant science · 2024Article
- Guijing2501 (International journal of molecular sciences · 2023Article
5 more citing papers are in PubMed but not listed here.
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Authors and funding
4 authors at 2 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundAlkaline/neutral invertase (A/N-INV), an enzyme that hydrolyzes sucrose irreversibly into glucose and fructose, is essential for normal plant growth,development, and stress tolerance. However, the physiological and/or molecular mechanism underpinning the role of A/N-INV in abiotic stress tolerance is poorly understood.
resultsIn this report, an A/N-INV gene (PtrA/NINV) was isolated from Poncirus trifoliata, a cold-hardy relative of citrus, and functionally characterized. PtrA/NINV expression levels were induced by cold, salt, dehydration, sucrose, and ABA, but decreased by glucose. PtrA/NINV was found to localize in both chloroplasts and mitochondria. Overexpression of PtrA/NINV conferred enhanced tolerance to multiple stresses, including cold, high salinity, and drought, as supported by lower levels of reactive oxygen species (ROS), reduced oxidative damages, decreased water loss rate, and increased photosynthesis efficiency, relative to wild-type (WT). The transgenic plants exhibited higher A/N-INV activity and greater reducing sugar content under normal and stress conditions.
conclusionsPtrA/NINV is an important gene implicated in sucrose decomposition, and plays a positive role in abiotic stress tolerance by promoting osmotic adjustment, ROS detoxification and photosynthesis efficiency. Thus, PtrA/NINV has great potential to be used in transgenic breeding for improvement of stress tolerance.
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