Results 161 to 170 of about 61,084 (383)

Biochemical characterization of phosphoenolpyruvate carboxykinases from multiple species of brown algae

Journal of Phycology, EarlyView.
Abstract Phosphoenolpyruvate carboxykinase (PEPCK) is involved in the conversion of phosphoenolpyruvate (PEP) to oxaloacetate (OAA). In addition to playing a role in gluconeogenesis in various organisms, PEPCK also functions in the C4 cycle to concentrate CO2 for photosynthesis in some C4 plants.
Jian‐qiang Jin, Yuusuke Yokooji, Toshiyuki Shibata, Haruyuki Atomi   +3 more
wiley   +1 more source

High-resolution temporal profiling of transcripts during Arabidopsis leaf senescence reveals a distinct chronology of processes and regulation [PDF]

, 2011
Leaf senescence is an essential developmental process that impacts dramatically on crop yields and involves altered regulation of thousands of genes and many metabolic and signaling pathways, resulting in major changes in the leaf.
Beynon, Jim, Breeze, Emily, Buchanan-Wollaston, Vicky, Denby, Katherine J., Harrison, Elizabeth, Hickman, Richard J., Hill, Claire, Hughes, Linda Karen, Jackson, Stephen D., Jenkins, Dafyd J., Jenner, Carol E., Kiddle, Steven J., Kim, Youn-sung, Legaie, Roxane, McHattie, Stuart, Mead, A., Moore, Jonathan D., Morris, Karl, Ott, Sascha, Penfold, Christopher A., Rand, D. A., Tabrett, Alex, Thomas, Brian, Wild, David L., Zhang, Cunjin   +24 more
core   +3 more sources

Immunolocalization of Rubisco Activase and Rubisco in C3 and C4 Plant Tissues

Microscopy and Microanalysis, 2000
Abstract Ribulose bisphosphate carboxylase/oxygenase (Rubisco), an abundant enzyme in chloroplasts, must be activated by CO2 in order for it to catalyze the carboxylation of ribulose bisphosphate. Rubisco activase, a nuclear encoded chloroplast protein was first identified as a biochemical lesion in the rca mutant of Arabidopsis (1 ...
K. W. Lee, S. Madhavan, M. S. Miller-Goodman   +2 more
openaire   +2 more sources

A genetic transformation system for the heterotrophic diatom Nitzschia putrida (Bacillariophyceae)

Journal of Phycology, EarlyView.
Abstract Diatoms are important primary producers in aquatic ecosystems. Most of them are photoautotrophs and have evolved to thrive under diverse environmental conditions from the poles to the tropics. However, some diatom species such as Nitzschia putrida have lost photosynthesis and have therefore become free‐living secondary heterotrophs.
Longji Deng, Yixuan Li, Yasuhiro Tanizawa, Yasukazu Nakamura, Ryoma Kamikawa, Amanda Hopes, Thomas Mock   +6 more
wiley   +1 more source

Two cowpea Rubisco activase isoforms for crop thermotolerance. [PDF]

New Phytol
Summary A vital crop for sub‐Saharan Africa, cowpea productivity, is threatened by climate change, including increased heatwave intensity, duration and frequency. Rubisco activase (Rca) is a key molecular chaperone that maintains Rubisco activity and, due to its thermal sensitivity, is a key target for improving crop climate resilience.
Gjindali A, Page R, Ashton CJ, Robertson I, Page MT, Bloemers D, Gould PD, Worrall D, Orr DJ, Carmo-Silva E.   +9 more
europepmc   +2 more sources

In silico analysis of the evolution of root phenotypes during maize domestication in Neolithic soils of Tehuacán

New Phytologist, EarlyView.
Summary Roots are essential for plant adaptation to changing environments, yet the role of roots in crop domestication remains unclear. This study examined the evolution of root phenotypes from teosinte to maize, a transition resulting in reduced nodal root number (NRN), multiseriate cortical sclerenchyma (MCS), and increased seminal root number (SRN).
Ivan Lopez‐Valdivia, Miguel Vallebueno‐Estrada, Harini Rangarajan, Kelly Swarts, Bruce F. Benz, Michael Blake, Jagdeep Singh Sidhu, Sergio Perez‐Limon, Ruairidh J. H. Sawers, Hannah Schneider, Jonathan P. Lynch   +10 more
wiley   +1 more source

Impact of Low Light on Photosynthetic Characteristics, Antioxidant Activity, and Yield of Brassica napus L.

Agronomy
Low light is an abiotic stress that has a significant impact on crop growth. However, the impact of low light on rapeseed yield has not been well documented.
Yue Hu, Hafiz Hassan Javed, Li Liu, Yalong Liu, Xiaohui Yang, Feifei Xu, Ying Liu, Xiao Peng, Yongcheng Wu   +8 more
doaj   +1 more source

Engineering chloroplasts to improve Rubisco catalysis: prospects for translating improvements into food and fiber crops.

New Phytologist, 2017
494 I. 495 II. 496 III. 496 IV. 499 V. 499 VI. 501 VII. 501 VIII. 502 IX. 505 X. 506 507 References 507 SUMMARY: The uncertainty of future climate change is placing pressure on cropping systems to continue to provide stable increases in productive yields.
R. Sharwood
semanticscholar   +1 more source

Gold Immunolocalization of Rubisco and Rubisco Activase in Pyrenoid of Chlamydomonas reinhardtii

ALGAE, 2003
The pyrenoid ultrastructure and distribution of ribulose-1,5-bisphosphate carboxylase/oxygenase (Rubisco) and Rubisco activase in the chloroplasts of Chlamydomonas reinhardtii was studied using the immunogold localization technology with electron microscopy. There were several tubular thylakoids invading in the pyrenoid matrix to form several spokewise
Pei-Min He, Geng-Yun Chen, Da-Bing Zhang, Wei-Ning Wu, Qi-Gen Liu   +4 more
openaire   +2 more sources

Large variation in the Rubisco kinetics of diatoms reveals diversity among their carbon-concentrating mechanisms

Journal of Experimental Botany, 2016
Highlight Broad variations in the CO2 fixation kinetics of diatom Rubisco indicate novel mechanistic diversity and large differences in their carbon-concentrating mechanism.
Jodi N. Young, A. Heureux, R. Sharwood, R. Rickaby, F. Morel, S. Whitney   +5 more
semanticscholar   +1 more source