What is the paper saying about the involvement of PHR1 in osmotic stress?
Best insight from top research papers
PHR1 is involved in osmotic stress response . The paper suggests that PHR1 is a central regulator in the balance between nutrient stress response and immune regulation . It is also implicated in the transcriptional response to osmotic stress . The involvement of PHR1 in osmotic stress is further supported by the finding that PHR1-responsive transcripts accumulate in response to high-light treatment . Additionally, the paper proposes that Pi sequestration by photosynthesis and import of Pi into the chloroplast, which is regulated by PHR1, may play a role in depleting cytosolic Pi reserves during sudden increases in light intensity, suggesting a link between Pi signaling and energy status during stress .
Answers from top 5 papers
More filters
Papers (5) | Insight |
---|---|
11 Citations | The paper does not mention anything about the involvement of PHR1 in osmotic stress. The paper primarily focuses on the involvement of the CIF1 gene in osmotic stress response in Saccharomyces cerevisiae. |
Open access•Journal Article 1 Citations | The paper does not mention anything about the involvement of PHR1 in osmotic stress. |
The provided paper does not mention anything about the involvement of PHR1 in osmotic stress. The paper focuses on the role of PHR1 and PHL1 in high-light responses and acclimation to triose phosphate oversupply. | |
The provided paper does not mention the involvement of PHR1 in osmotic stress. | |
15 Citations | The paper does not mention anything about the involvement of PHR1 in osmotic stress. The paper is about the balance between nutrient stress response and immune regulation in plants. |
Related Questions
Does beer yeast produce aroma compounds under osmotic stress?5 answersBeer yeast, under osmotic stress, produces aroma compounds as a response to the challenging environment. Osmotic stress, induced by factors like high gravity processes and sodium chloride, affects yeast physiology and metabolism. Studies show that osmotic stress can lead to changes in cell morphology, glucose metabolism, and protein expression. The Hog1 MAPK pathway plays a crucial role in yeast adaptation to osmotic changes, highlighting the significance of this pathway in response to stress. Additionally, yeast adapts to altered osmotic conditions by accumulating glycerol as a compatible solute, with the HOG pathway being essential for this adaptation, even when respiring ethanol as a carbon source. This adaptation mechanism involves the production of glycerol and trehalose to counteract the osmotic stress, leading to the production of aroma compounds in beer yeast.
What is the relationship between osmotic pressure and cell turgor in plants?5 answersThe relationship between osmotic pressure and cell turgor in plants is crucial for understanding plant water status and growth. Osmotic pressure, influenced by osmolytes like KCl, D-Glc, and L-Gln, affects turgor pressure. Turgor pressure, a key component of plant cell growth, is actively modulated and spatially inhomogeneous, impacting plant morphogenesis. Studies show that turgor pressure can be regulated by osmolarity, as seen in experiments where changes in turgor pressure stabilized due to increased water potential in leaf cells. Additionally, research using a micro-rheometer demonstrated how plant cells adjust their internal pressure in response to osmotic changes, highlighting the dynamic nature of turgor pressure regulation. Overall, osmotic pressure and turgor pressure are intricately linked, influencing plant water balance and growth processes.
Are natural killer cells sensitive to osmotic stress?5 answersNatural killer (NK) cells are sensitive to osmotic stress. There is evidence that alterations in the immune system, including NK cells, can occur in response to stress. In one study, it was found that NK cells exhibited a regulatory volume decrease (RVD) similar to thymocytes, suggesting that NK cells may be derived from T cell precursors. Additionally, exposure of immature T cells to hyperosmotic stress resulted in caspase-dependent apoptosis, indicating a role of volume regulation mechanisms in apoptotic resistance. These findings suggest that NK cells can respond to osmotic stress and that volume regulation mechanisms may play a role in their function and survival.
Does methuosis occure during osmotic stress?5 answersMethuosis, a form of cell death characterized by the accumulation of large cytoplasmic vacuoles, was not mentioned in any of the abstracts provided. Therefore, there is no evidence to suggest that methuosis occurs during osmotic stress.
Does Mitochondria move for better ATP supply during osmotic stress?5 answersMitochondria do not move for better ATP supply during osmotic stress. Instead, they undergo changes in localization and function. In response to osmotic stress, cytochrome b5 reductase 1 (CBR1) is localized to the endoplasmic reticulum (ER) instead of the mitochondria, where it is normally localized. This change in localization triggers ATP production via the production and β-oxidation of polyunsaturated fatty acids. Additionally, mitochondrial function is required for proper osmotic stress adaptation, as mutants with defects in mitochondrial components show hypersensitivity to increased salt concentrations. However, there is no evidence to suggest that mitochondria physically move in response to osmotic stress to enhance ATP supply.
Does Mitochondria move when osmotic stress is applied?5 answersMitochondria undergo structural changes in response to osmotic stress. Disrupting mitochondrial fission or fusion genes in C. elegans resulted in alterations in mitochondrial morphology, impacting both mitochondrial function and physiological rates. Hyperosmotic stress induced Warburg-like metabolic remodeling in HeLa and Raw264.7 cells, suppressing fatty acid oxidation and altering the phosphorylation status of pyruvate dehydrogenase (PDH). Additionally, in thin slices of leaves or potato tubers dehydrated in hypertonic solutions, coupled oxidation of succinate and exogenous NADH by isolated mitochondria was inhibited, suggesting sensitivity of mitochondrial respiration to osmotic stress. Osmotic shrinkage and rehydration induced fragmentation of the mitochondrial network in Chlamydomonas reinhardii, which was reversible upon resuspension in isotonic medium. These findings suggest that osmotic stress can impact mitochondrial structure and function, indicating that mitochondria do undergo changes in response to osmotic stress.