Rubisco activase A (RcaA) is a central node in overlapping gene network of drought and salinity in Barley (Hordeum vulgare L.) and may contribute to combined stress tolerance

Aliakbari, Massume; Cohen, Stephen P.; Lindlöf, Angelica; Shamloo‐Dashtpagerdi, Roohollah

doi:10.1016/j.plaphy.2021.02.016

Cited by 21 publications

(13 citation statements)

References 60 publications

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“…Kiral) chlorophyll-a and chlorophyll-b contents were reduced with increasing NaCl level from 0 to 150 mM. Aliakbari et al (2021) found that the enhanced photosynthesis capability, mainly through regulation of Rubisco activase A expression and activity as well as the accumulation of proline were associated with barley tolerance to combined drought and salinity stress.…”

Section: Field Experimentsmentioning

confidence: 89%

“…A pot experiment was conducted under greenhouse conditions in the 2011/12 growing season at the International Hellenic University Farm (Thessaloniki, Northern Greece) in order to evaluate the tolerance of 184 winter barley varieties (breeding lines or registered varieties), originating from 17 countries to combined salinity and water deficit stresses. The salt stress is strongly correlated with the water deficit because the first sense of plants in a saline environment is the osmotic stress which results in water uptake inability (Munns and Tester, 2008;Aliakbari et al, 2021). In the greenhouse, which was covered with a polyethylene sheet, the air temperature was maintained below 27 ο C during spring daytime by the use of one air cooling fan system.…”

Section: Greenhouse Experimentsmentioning

confidence: 99%

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Salinity tolerance evaluation of barley germplasm for marginal soil utilization

et al. 2021

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One greenhouse experiment was conducted to assess the tolerance to salinity and water deficit stresses of 184 barley varieties (breeding lines or registered varieties). Also, a 2-year field experiment was conducted to evaluate the growth and yield components of 16 of these varieties, representing tolerant, intermediate tolerant and susceptible ones, grown simultaneously in saline and non-saline soils. In the greenhouse, the K-means cluster analysis shown that 17 varieties were tolerant, 72 varieties intermediate tolerant, 16 varieties intermediate susceptible and 79 varieties susceptible. In the field, soil salinity reduced the germination of the barley varieties except for the varieties ICB 100126, Scarlett and Meteor. Barley varieties grown in the saline soil produced 33.2-to 83.4% lower dry biomass, 0.0-to 78.9% fewer ears and 0.0-to 81.5% lower grain yield than those of varieties grown in the non-saline soil. In the saline soil, the greatest grain yield was provided by the vars. Galt Brea 'S' and ICB 100126 (4.87 and 4.31 t ha-1, respectively), without significant differences between saline and non-saline soils. In most barley varieties, chlorophyll content and photosystem II quantum yield were greater under saline than under non-saline conditions. The results of this research indicated that, in barley germplasm, a remarkable genetic variation exists which would contribute to barley production in saline soils. Highlights - The salinity tolerance of 184 barley varieties was investigated. - There was great variability to salinity tolerance among barley germplasm. - There were barley varieties which grown in saline soil without significant yield reduction. - Barley could be an alternative crop system in soils with increased salinity.

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Section: Field Experimentsmentioning

confidence: 89%

Section: Greenhouse Experimentsmentioning

confidence: 99%

Salinity tolerance evaluation of barley germplasm for marginal soil utilization

et al. 2021

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“…40 Photosynthetic capability was enhanced through the regulation of RuBisCO activase expression/activity as well as the accumulation of proline content, and it had a significant association with tolerance against drought and salinity stresses in barley. 41 The heat-induced RuBisCO activase with a novel function showed thermostability after long-term heat stress and maintained the RuBisCO activation state in photosynthetic acclimation. 42 Chickpea might be able to recover photosynthesis under flooding by millimeter-wave irradiation (Figure 4).…”

Section: Millimeter-wave Irradiation Upregulates Photosynthesis In Ch...mentioning

confidence: 96%

Proteomic and Biological Analyses Reveal the Effect on Growth under Flooding Stress of Chickpea Irradiated with Millimeter Waves

et al. 2021

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Chickpea cultivated on marginal lands in arid and semiarid tropics is one of the food legumes, and its growth is reduced by flooding stress. Millimeterwave irradiation has influences on organisms, and it improves the growth of plants such as soybean. To reveal the dynamic effects of millimeter-wave irradiation on chickpea under flooding, gel-and label-free proteomic analysis was conducted. Millimeter-wave irradiation improved chickpea growth and its tolerance to flooding stress. According to functional categorization, oppositely changed proteins were correlated with photosynthesis, fermentation, and protein degradation. Immunoblot analysis confirmed that RuBisCO activase and large subunits decreased in leaves under flooding; however, they are recovered in irradiated chickpea even if it was in this condition. The activity and accumulation of alcohol dehydrogenase increased in roots under flooding; however, this followed the same pattern. Cell death was significantly increased and decreased by flooding on unirradiated and irradiated chickpeas, respectively. These findings suggest that irradiation with millimeter waves on chickpea seeds improves the recovery of plant growth through regulation of photosynthesis in leaves and fermentation in roots. Furthermore, millimeter-wave irradiation might promote chickpea tolerance under flooding via the regulation of cell death.

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“…In chickpea, ribulose-1,5-bisphosphate carboxylase/oxygenase (RuBisCO) activase and RuBisCO large subunit decreased with flooding stress, and they recovered with millimeterwave irradiation; however, RuBisCO small subunit did not change under flooding, and it increased with irradiation [48]. RuBisCO composed of large and small subunits is the rate-limiting enzyme for photosynthetic carbon fixation [53], which is regulated by Ru-BisCO activase via ATP hydrolysis [54], and it has been proved to augment plant tolerance against drought, salinity, and heat [55,56]. These results indicated that millimeter-wave irradiation induced different changes on photosynthesis in plants, such as increase of proteins in photosystems in soybean and carbon fixation in chickpea; however, these results were not contradictory as the study on soybean focused on root-hypocotyl tissues and the study on chickpea focused on leaves.…”

Section: Proteomic Responsesmentioning

confidence: 99%

Morphophysiological and Proteomic Responses on Plants of Irradiation with Electromagnetic Waves

Zhong

Wang

et al. 2021

IJMS

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Electromagnetic energy is the backbone of wireless communication systems, and its progressive use has resulted in impacts on a wide range of biological systems. The consequences of electromagnetic energy absorption on plants are insufficiently addressed. In the agricultural area, electromagnetic-wave irradiation has been used to develop crop varieties, manage insect pests, monitor fertilizer efficiency, and preserve agricultural produce. According to different frequencies and wavelengths, electromagnetic waves are typically divided into eight spectral bands, including audio waves, radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays. In this review, among these electromagnetic waves, effects of millimeter waves, ultraviolet, and gamma rays on plants are outlined, and their response mechanisms in plants through proteomic approaches are summarized. Furthermore, remarkable advancements of irradiating plants with electromagnetic waves, especially ultraviolet, are addressed, which shed light on future research in the electromagnetic field.

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Rubisco activase A (RcaA) is a central node in overlapping gene network of drought and salinity in Barley (Hordeum vulgare L.) and may contribute to combined stress tolerance

Cited by 21 publications

References 60 publications

Salinity tolerance evaluation of barley germplasm for marginal soil utilization

Salinity tolerance evaluation of barley germplasm for marginal soil utilization

Proteomic and Biological Analyses Reveal the Effect on Growth under Flooding Stress of Chickpea Irradiated with Millimeter Waves

Morphophysiological and Proteomic Responses on Plants of Irradiation with Electromagnetic Waves

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