Results 81 to 90 of about 15,119 (187)

Regulation of Rubisco activity during grain-fill in maize: possible role of Rubisco activase

open access: yes, 1997
Levels of ribulose bisphosphate carboxylase (Rubisco) and Rubisco activase were compared in leaves above the ear in two genetically related populations (Z0 and Z20) of maize (Zea mays L.).
E. MARTÍNEZ-BARAJAS   +2 more
core   +1 more source

Generation of a recipient line for Rubisco engineering by multiplex genome editing in tobacco

open access: yesThe Plant Journal, Volume 126, Issue 4, May 2026.
SUMMARY Rubisco (ribulose 1,5‐bisphosphate carboxylase/oxygenase) is the primary CO2‐fixing enzyme on our planet. Its slow kinetics and poor discrimination between carbon dioxide and oxygen as substrates severely limit the efficiency of photosynthetic carbon fixation by plants.
Gonçalo E. da Silva   +6 more
wiley   +1 more source

Multi‐proteomic profiling indicates potential regulatory signatures underlying rice resistance to Magnaporthe oryzae

open access: yesThe Plant Journal, Volume 126, Issue 2, April 2026.
SUMMARY Omics‐driven approaches can capture systemic plant responses to pathogens. While transcriptomics is a mainstay, it alone cannot capture post‐translational modifications or protein abundance. Because of this, we employed multi‐proteomics to compare the proteome, phosphoproteome, and acetylome of two rice genotypes differing in resistance to ...
Priscila A Auler   +5 more
wiley   +1 more source

Immunogold localization of Rubisco and Rubisco activase in leaves of rice

open access: yes浙江大学学报. 农业与生命科学版, 2003
The enzymes of Rubisco and Rubisco activase were localized using immunogold-labeled method and electron microscope techniques. The results showed that Rubisco was mainly located in choloroplast, Rubisco activase, however, specially labeled both in chloroplast and mitochondria, which implied that Rubisco activase has other functions besides activating ...
WANG Ni-yan   +4 more
openaire   +1 more source

Cyanobacterial Carboxysomes Contain a Unique Rubisco-Activase-Like protein.

open access: yesNew Phytologist, 2019
In plants, rubisco activase (Rca) regulates rubisco by removing inhibitory molecules such as RuBP. In cyanobacteria, a homologous protein (activase-like cyanobacterial protein, ALC), contains a distinctive C-terminal fusion resembling the small-subunit ...
Sigal Lechno‐Yossef   +5 more
semanticscholar   +1 more source

Effect of Rubisco Activase Deficiency on the Temperature Response of CO 2 Assimilation Rate and Rubisco Activation State: Insights from Transgenic Tobacco with Reduced Amounts of Rubisco Activase

open access: yes, 2016
The activation of Rubisco in vivo requires the presence of the regulatory protein Rubisco activase. To elucidate its role in maintaining CO2 assimilation rate at high temperature, we examined the temperature response of CO2 assimilation rate at 380 μL ...
von Caemmerer, Susanne, Yamori, Wataru
core   +1 more source

Release of the nocturnal inhibitor, car☐yarabinitol-1 -phosphate, from ribulose bisphosphate car☐ylase/oxygenase by rubisco activase

open access: yes, 1988
Car☐yarabinitol-1-phosphate (CA1P) is a naturally occurring inhibitor of ribulose-1,5-bisphosphate car☐ylase/oxygenase (rubisco) which appears in the leaves of some plants during darkness and occupies the ribulose-1,5-bisphosphate binding site.
Simon P. Robinson   +3 more
core   +1 more source

Enhanced Expression of Rubisco Activase Confers to Increase in Rubisco Activity During Cold Acclimation in Lolium Perenne

open access: yes, 2015
Photosynthetic apparatus acclimation to low temperature is a prerequisite for proper hardening and acquired freezing tolerance. It has been shown that Lolium perenne plants have two isoforms of Rubisco activase, products of two splicing variants (RcaA1 ...
Grzesiak, Maciej   +3 more
core   +1 more source

Influence of salicylic acid on rubisco and rubisco activase in tobacco plant grown under sodium chloride in vitro

open access: yes, 2014
The present study was designed to evaluate the influence of salicylic acid (SA) on the growth of salt stress (sodium chloride) induced in tobacco plants.
Damodaran, Puthanveettil Narayanankutty   +2 more
core   +1 more source

The Thermal Stabilization of Rubisco Activase in Maize

open access: yes, 2020
Maize yield in plantations can decrease by 40% when exposed to 85° F temperature. The enzyme Ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) is one of the most abundant enzymes on the planet and is involved with the first major steps of ...
Joseph, Nathan, Haque, Ethan
core  

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