Results 61 to 70 of about 2,405 (174)

Genome‐wide association analysis to identify QTLs and candidate genes associated with grain yield and its related traits under low light conditions in rice (Oryza sativa L.)

open access: yesThe Plant Genome, Volume 19, Issue 1, March 2026.
Abstract Low‐light (LL) stress caused by persistent cloud cover during the Kharif season significantly reduces rice (Oryza sativa L.) grain yield (GY) by limiting photosynthesis, impairing assimilate production, and affecting reproductive development.
Swagatika Das   +15 more
wiley   +1 more source

Antisense Inhibition of Rubisco Activase Increases Rubisco Content and Alters the Proportion of Rubisco Activase in Stroma and Thylakoids in Chloroplasts of Rice Leaves [PDF]

open access: yesAnnals of Botany, 2006
Ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) activase (RCA) is a nuclear-encoded chloroplast protein that modifies the conformation of Rubisco, releases inhibitors from active sites, and increases enzymatic activity. It appears to have other functions, e.g.
Song-Heng, Jin   +3 more
openaire   +2 more sources

Heat Shock Transcription Factor OsHsfc1a Enhances Rice Seedling Thermotolerance by Regulating OsMFT1 and Preserving Chloroplast Structure Under Heat Stress

open access: yesPlant Biotechnology Journal, Volume 24, Issue 3, Page 1898-1915, March 2026.
ABSTRACT High‐temperature stress severely threatens rice (Oryza sativa L.) growth and productivity, particularly during the seedling stage, making heat tolerance an essential breeding target. In this study, we identified the heat shock transcription factor OsHsfc1a as a positive regulator of thermotolerance in rice seedlings.
Jingqin Lu   +11 more
wiley   +1 more source

Purification and Assay of Rubisco Activase from Leaves

open access: yesPlant Physiology, 1988
Ribulose 1,5-bisphosphate carboxylase/oxygenase (rubisco) activase protein was purified from spinach leaves by ammonium sulfate precipitation and ion exchange fast protein liquid chromatography. This resulted in 48-fold purification with 70% recovery of activity and yielded up to 18 milligrams of rubisco activase protein from 100 grams of leaves. Based
S P, Robinson   +3 more
openaire   +3 more sources

Phosphate Resupply Differentially Impacts the Shoot and Root Proteomes of Arabidopsis thaliana Seedlings

open access: yesPlant, Cell &Environment, Volume 49, Issue 3, Page 1598-1616, March 2026.
ABSTRACT Phosphate (Pi) is an essential macronutrient for plant development that is often limited in soil. Plants have evolved dynamic biochemical, physiological and morphological adaptations to cope with Pi deficiency, known as the Pi starvation response (PSR).
Milena A. Smith   +5 more
wiley   +1 more source

TGase positively regulates photosynthesis via activation of Calvin cycle enzymes in tomato

open access: yesHorticulture Research, 2019
Transglutaminases (TGases), which are widespread cross-linking enzymes in plants, play key roles in photosynthesis and abiotic/biotic stress responses; however, evidence concerning the genetics underlying how TGase improves the capability of ...
Min Zhong   +5 more
doaj   +1 more source

Effect of Ulva lactuca Aqueous Extract on Growth, Minerals, Chlorophyll Content, Rubisco Activity and Rubisco Activase in Zea mays Seedlings

open access: yesJournal of Pure and Applied Microbiology, 2018
The present study aimed to investigate the biological effects of different concentrations of Ulva lactuca aqueous extract (ULAE) on the growth parameters and biochemical characteristics of Zea mays.
Amani Abdel-Latif   +3 more
doaj   +1 more source

Rubisco activase and wheat productivity under heat-stress conditions [PDF]

open access: yesJournal of Experimental Botany, 2009
Rubisco activase (RCA) constrains the photosynthetic potential of plants at high temperatures (heat stress). Endogenous levels of RCA could serve as an important determinant of plant productivity under heat-stress conditions. Thus, in this study, the possible relationship between expression levels of RCA and plant yield in 11 European cultivars of ...
Zoran, Ristic   +7 more
openaire   +2 more sources

Progress and Impacts of “Omics” Technologies in Understanding the Drought Response in Cassava: Adoption for Food Security in Africa

open access: yesPlant-Environment Interactions, Volume 6, Issue 6, December 2025.
ABSTRACT Cassava is a crucial staple crop in Africa, but its productivity is increasingly threatened by the worsening impacts of drought caused by climate change. To address this challenge, an integration of “omics” and genome editing technologies has emerged as indispensable tools for understanding the complex mechanisms that govern cassava's response
Ambesa Mantewu   +3 more
wiley   +1 more source

Proteomic insights on root and tuber crops’ response to abiotic stress—A review

open access: yesCrop Science, Volume 65, Issue 6, November/December 2025.
Abstract Root and tuber crops are a good source of food energy on a global scale, particularly in African and Asian nations. Nevertheless, these crops can be susceptible to abiotic stresses such as excessive heat, high salinity, drought, and nutrient deficiencies, which have detrimental effects on the physiological and metabolic processes of the plants,
L. E. Siviya   +3 more
wiley   +1 more source

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