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Rethinking the influence of chloroplast movements on non-photochemical quenching and photoprotection
plant cell chloroplast photoprotective mechanism non-photochemical quenching (NPQ)
2024/1/19
Under blue light, plant chloroplasts relocate to different areas of the cell. The photoreceptor phototropin 2 (phot2) mediates the chloroplast movement mechanism under excess blue light alongside the ...
Chloroplast-derived photo-oxidative stress causes changes in H2O2 and EGSH in other subcellular compartments
photo-oxidative stress chloroplast H2O2 EGSH stress acclimation redox dynamics
2023/12/5
Metabolic fluctuations in chloroplasts and mitochondria can trigger retrograde signals to modify nuclear gene expression. Mobile signals likely to be involved are reactive oxygen species (ROS), which ...
Two Chloroplast Proteins Negatively Regulate Plant Drought Resistance Through Separate Pathways
Chloroplast Proteins Negatively Plant Drought Resistance OST1-dependent OST1-independent
2024/2/4
Drought is one of the most deleterious environmental conditions affecting crop growth and productivity. Here we report the important roles of a nuclear-encoded chloroplast protein, PsbP Domain Protein...
The role of GTP regulation in chloroplast import
Chloroplasts organelles plant cells photosynthesis amino acids lipid synthesis cell signal
2014/12/11
Plastids (e.g. chloroplasts) are a diverse group of interrelated organelles that have evolved to perform numerous and diverse metabolic processes within all plant cells, including essential roles in p...
A post-import pathway for protein targeting to chloroplast inner membrane
Chloroplast membrane metabolites photosynthesis lipid metabolism biogenesis membrane protein and chloroplast
2014/12/11
The chloroplast envelope plays critical roles in the synthesis and regulated transport of key metabolites, including intermediates in photosynthesis and lipid metabolism. Despite this importance, the ...
Determinants for Stop-Transfer and Post-Import Pathways for Protein Targeting to the Chloroplast Inner Envelope Membrane
chloroplast envelope inner envelope protein targeting
2014/12/11
Chloroplast biogenesis relies on the import of thousands of nuclear encoded proteins into the organelle and proper sorting to their sub-organellar compartment. The majority of nucleus-encoded chloropl...
Modelling of light driven CO2 concentration gradient and photosynthetic carbon assimilation flux distribution at the chloroplast level
photosynthesis chloroplast CO2 flux Calvin cycle limiting factors
2012/5/3
The steady state of the two-substance model of light driven carbon turnover for the photosynthetic CO2 assimilation rate is presented. The model is based on the nonlinear diffusion equation for a sing...
Range-wide chloroplast and mitochondrial DNA imprints reveal multiple lineages and complex biogeographic history for Douglas-fir
chloroplast mitochondrial DNA imprints biogeographic history for Douglas-fir
2011/12/31
The contemporary genetic structure of species offers key imprints of how organisms responded to past geological and climatic events, which have played a crucial role in shaping the current geographica...
Genetic Relationships between Cultivated and Wild Olive Trees (Olea Europaea L. Var. Europaea and Var. Sylvestris) Based on Nuclear and Chloroplast SSR Markers
Cultivars Oleaster Genetic Relationship SSR Markers Haplotype Origin
2013/3/11
The olive is widely cropped in Tunisia where also oleaster trees thrive all around orchards and in natural sites. Little is known on the genetic relationships between the olive crop and oleaster trees...
DNA Polymorphism of Chloroplast SSR Regions in Various Vegetables and its Application to Analyses of Interspecific Polymorphisms in Allium species
Allium species chloroplast DNA interspecific polymorphism simple sequence repeat (SSR)
2010/11/24
Polymorphic analyses of simple sequence repeat regions on chloroplast genomes in 34 vegetables were conducted using a set of consensus SSR primer pairs. A sufficient number of DNA markers were obtaine...
Potential of chloroplast genome in plant breeding
agricultural traits chloroplast engineering industrial proteins molecular pharming total leaf soluble protein
2014/3/10
Chloroplast engineering (or chloroplast transformation technology, CTT) is a strategy consisting of inserting a transgene into the chloroplast genome of a plant instead of its nuclear genome. CTT brin...
Ultrastructural Changes in Chloroplast and Phloem of Rice Leaves during Senescense under Different Nitrogen Supply
Chloroplast Nitrogen deficiency Phloem Rice leaf Senescense Ultrastructure
2009/8/6
Rice seedlings of 7.2 in leaf age were transplanted into pots containing culture solution. The control plants received the complete solution and the N-deficient plants received the -N solution. Sample...
Light Dependency of Salinity-Induced Chloroplast Degradation
Chlorophyll Chloroplast Cl content Na content Oxidative reaction Rice Salt stress Ultrastructure
2009/7/29
The contents of Na, K, Cl, chlorophyll and the foliar ultrastructure of rice seedlings grown in NaCl solution at various concentrations were investigated under light and dark conditions. The seedlings...
Pretreatment with a Low Concentration of Methyl Viologen Decreases the Effects of Salt Stress on Chloroplast Ultrastructure in Rice Leaves (Oryza sativa L.)
Ascorbate peroxidase Catalase Methyl viologen Oryza sativa Salt stress Superoxide dismutase Thylakoids Ultrastructure
2009/7/29
We investigated the effects of pretreatment with a low concentration of methyl viologen (MV) on the salinity-induced chloroplast degeneration in rice seedlings. The seedlings grown in hydroponic cultu...
Pretreatment with Antioxidants Decreases the Effects of Salt Stress on Chloroplast Ultrastructure in Rice Leaf Segments (Oryza sativa L.)
Antioxidants Chloroplasts Oryza sativa L. Salt stress Thylakoids Ultrastructure
2009/7/29
We investigated the kinds of active oxygen species leading to the destruction of chloroplast ultrastructure in salt-stressed rice plants. After the seedlings were grown for 3 wks, leaf segments (5 mm ...