Results 151 to 160 of about 61,084 (383)

Tracing the evolutionary pathway: on the origin of mitochondria and eukaryogenesis

open access: yesThe FEBS Journal, EarlyView.
This study examines the stepwise transition from archaeal–bacterial associations to the emergence of eukaryotic cells. Metabolic cooperation and endosymbiosis fostered ecological and genetic integration, with extensive gene transfer reshaping host biology.
J. Ernesto Bravo‐Arévalo
wiley   +1 more source

Ecophysiological traits of grasses: resolving the effects of photosynthetic pathway and phylogeny [PDF]

open access: yes, 2009
C4 photosynthesis is an important example of convergent evolution in plants, having arisen in eudicots, monocots and diatoms. Comparisons between such diverse groups are confounded by phylogenetic and ecological differences, so that only broad ...
Brad S. Ripley   +6 more
core   +2 more sources

Directed Evolution of an Improved Rubisco; In Vitro Analyses to Decipher Fact from Fiction

open access: yesInternational Journal of Molecular Sciences, 2019
Inaccuracies in biochemically characterizing the amount and CO2-fixing properties of the photosynthetic enzyme Ribulose-1,5-bisphosphate (RuBP) carboxylase/oxygenase continue to hamper an accurate evaluation of Rubisco mutants selected by directed ...
Yu Zhou, S. Whitney
semanticscholar   +1 more source

Short coiled‐coil proteins from plants and metazoans – the ‘jacks of all trades’

open access: yesThe FEBS Journal, EarlyView.
Short coiled‐coil proteins from plants and metazoans—true ‘jacks of all trades’—play supporting but crucial roles in cellular stress response, metabolism, autophagy, and membrane dynamics. Despite their small size and modest sequence conservation, proteins like plant LSUs and metazoan SCOCs showcase remarkable functional versatility shaped by evolution,
Agnieszka Sirko   +2 more
wiley   +1 more source

The photosynthetic parameters of cucumber as affected by irradiances with different red:far-red ratios

open access: yesBiologia Plantarum, 2015
We compared photosynthetic performance between cucumber (Cucumis sativus L.) leaves acclimated to saturating irradiances with high red: far red (R:FR = 10) and normal R:FR (= 1.4) ratios.
T. Shibuya, R. Endo, T. Yuba, Y. Kitaya
doaj   +1 more source

Efficient Protein Expression and Virus-Induced Gene Silencing in Plants Using a Crinivirus-Derived Vector. [PDF]

open access: yes, 2018
Plant virus-based vectors are valuable tools for recombinant gene expression and functional genomics for both basic and applied research. In this study, Lettuce infectious yellows virus (LIYV) of the genus Crinivirus was engineered into a virus vector ...
Falk, Bryce W, Qiao, Wenjie
core   +3 more sources

Rice black‐streaked dwarf virus‐encoded P6 protein impairs OsPelota‐mediated antiviral RNA decay defense via promoting OsSCE1b ubiquitination and degradation in rice

open access: yesJournal of Integrative Plant Biology, EarlyView.
The P6 protein encoded by rice black‐streaked dwarf virus enhances degradation of the rice SUMO E2 conjugating enzyme OsSCE1b through the ubiquitin/26S proteasome pathway; OsSCE1b degradation results in decreased SUMOylation of OsPelota, thereby suppressing RNA decay‐dependent antiviral defenses in rice. ABSTRACT Rice black‐streaked dwarf virus (RBSDV)
Yi Xie   +11 more
wiley   +1 more source

Exogenous spermidine enhances expression of Calvin cycle genes andphotosynthetic efficiency in sweet sorghum seedlings under salt stress

open access: yesBiologia Plantarum, 2019
Salinity adversely affects plants resulting in disruption to plant growth and physiology. Previously, it has been shown that these negative effects can be alleviated by various exogenous polyamines.
A.I. EL SAYED   +3 more
doaj   +1 more source

Exploring molecular evolution of Rubisco in C3 and CAM Orchidaceae and Bromeliaceae

open access: yesBMC Evolutionary Biology, 2020
Background The CO2-concentrating mechanism associated to Crassulacean acid metabolism (CAM) alters the catalytic context for Rubisco by increasing CO2 availability and provides an advantage in particular ecological conditions.
Carmen Hermida-Carrera   +9 more
doaj   +1 more source

Drought stress effects on Rubisco in wheat: changes in the Rubisco large subunit

open access: yesActa Physiologiae Plantarum, 2009
The leaf protein pattern from drought-tolerant and drought-sensitive wheat varieties subjected to severe soil drought but with the possibility for recover from stress was studied by two-dimensional polyacrylamide gel electrophoresis (2D-PAGE). The spots representing Rubisco large subunit (RLS) were identified using polyclonal antibodies against Rubisco
Demirevska, Klimentina   +5 more
openaire   +3 more sources

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