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EPAS1 (Endothelial PAS Domain Protein 1) Orchestrates Transactivation regarding Endothelial ICAM1 (Intercellular Adhesion Compound A single) by simply Little Nucleolar RNA Host Gene A few (SNHG5) in promoting Hypoxic Lung High blood pressure.
There was positively correlation between temperature and moisture gradient in the freezing period under both PM and CK treatments, with closer correlation in PM than CK. During melting period, soil temperature and moisture gradient was positively correlated in PM treatment with soil heat and moisture moved upward synchronously, while that in CK was negatively correlated with soil heat and moisture simultaneously moved to the lower layer soil. Driven by soil temperature and moisture gradient, soil temperature in 0-10 cm, 10-20 cm and 20-30 cm layers increased by 1.13-1.34 ℃, 0.96-1.24 ℃ and 0.89-1.32 ℃, while average soil water content increased by 3.4%-5.6%, 1.4%-2.2% and 6.7%-7.8%, respectively in PM treatment before sowing. Our results indicated that PM could provide water and heat protection for re-greening of winter crop and sowing, emergence and seedling of spring-sown crops in semi-arid areas.Effects of five different nitrogen application rates (i.e., N0, 0 g·kg-1; N1, 0.05 g·kg-1; N2, 0.1 g·kg-1; N3, 0.15 g·kg-1; N4, 0.2 g·kg-1) on the growth of seedlings of eight different quinoa cultivars were investigated in a pot experiment. The results showed that 1) Across different nitrogen application rates, cultivar GB22 and OY had the highest biomass, but cultivar B2 had the lowest value. The highest flower mass ratio, stem mass ratio, root mass ratio, and leaf mass ratio were found in cultivar B2, GB22, R1, and W23, respectively. 2) The rate of nitrogen application significantly affected seedling growth. Compared with the control (N0), the maximum net photosynthetic rate and biomass accumulation were significantly higher in the lower nitrogen applications (i.e., N1 and N2 treatments), but were lower in the higher nitrogen applications (i.e., N3 and N4 treatments). The significant interactions between cultivar and nitrogen application rate on plant biomass indicated that different quinoa cultivars responded differently to nitrogen rate. The optimum nitrogen application rate (Nopt) required for cultivar R1, MY11, GB22 and OY was 0.05 g·kg-1; while that of cultivar GB11, DB, and B2 was 0.1 g·kg-1; but for cultivar W23, Nopt was less than 0.05 g·kg-1. 3) The interactions between cultivar and nitrogen application rate significantly affected biomass allocation. Below the highest nitrogen rate used (i.e., less than 0.2 g·kg-1), the flower and leaf biomass allocation increased with the increasing nitrogen rates. 4) Across different cultivars and nitrogen application rates, plant biomass was positively correlated to the maximum net photosynthetic rate, plant height, ground diameter, and specific leaf area, respectively. These results provided valuable information for the nutrition management of different quinoa cultivars.To explore the effects of different intercropping species on growth, nutrition absorption, and fruit quality of oriental melon, we examined plant height, stem diameter, root activity, contents of mineral elements (N, P, K, Ca and Mg), and fruit quality and yield of oriental melon under the oriental melon monoculture (MM), intercropping of fennel/oriental melon (FM), tillered-onion/oriental melon (TM), or wormwood/oriental melon (WM). Results showed that plant height of intercropping treatments was significantly higher than that of the monoculture over time. The stem diameter of the FM and TM treatments was significantly higher than that of the MM treatment, while there was no significant difference between the WM and MM treatments. At the stretch tendril stage, fruit setting stage, and fruit expanding stage, root activity of FM treatment was significantly higher than that of MM and TM treatments. The mine-ral elements contents of oriental melon plants in three intercropping treatments were higher than that in MM treatment in different degrees, with the mine-ral elements contents of FM treatment being higher than that of TM and WM treatments. The single fruit weights of FM and TM treatments did not differ from the MM treatment. The fruit quality indices of FM treatment were not lower than MM treatment, while some fruit quality indices (including the contents of glucose, fructose, and sucrose) of WM and TM treatments were lower than that under MM treatment. selleck products In summary, fennel was a suitable species for intercropping with the oriental melon.To investigate the effects of H2S on mitochondrial functions under low temperature stress, we analyzed the effects of 0.05 mmol·L-1 NaHS and 15 μmmol·L-1 HT (hypotaurine and H2S scavenger) on mitochondria antioxidant enzyme activities and mitochondrial permeability transition pore, mitochondrial membrane fluidity, mitochondrial membrane potential, Cyt c/a ratio and H+-ATPase activity in sweet cherry stigma and ovary with sweet cherry variety Zaodaguo under -2 ℃ low temperature stress. The results showed that low temperature stress increased the concentrations of mitochondrial H2O2 and MDA, enhanced the mitochondrial membrane permeability, but decreased the mitochondrial membrane fluidity, membrane potential, Cyt c/a and H+-ATPase acti-vity. Application of NaHS at 0.05 mmol·L-1 could effectively reduce the concentrations of H2O2 and MDA, and keep higher activities of SOD, POD and CAT of mitochondrial for longer time. Furthermore, application of 0.05 mmol·L-1 NaHS could decrease mitochondrial membrane permeability while increase mitochondrial membrane fluidity, membrane potential, Cyt c/a and H+-ATPase activity in stigma and ovary under low temperature stress. The effects of NaHS were completely offset by HT addition. The results suggested that exogenous H2S could alleviate the oxidative damage on stigma and ovary stress through decreasing H2O2 accumulation, regulating mitochondria antioxidant system, increasing H+-ATPase activity, and mitigating mitochondria function under low temperature.In this study, the Beta regression models of sapwood, heartwood, and bark density of Larix olgensis were constructed. A total of 35 trees were destructively sampled from plantations in three different sites, Linkou Forestry Bureau of Heilongjiang Province, Dongjingcheng Forestry Bureau, and Maoershan Experimental Forest Farm of Northeast Forestry University. AIC, R2, BIAS, RMSE and LRT were used as the goodness-of-fit statistics to compare and select the most optimal models for sapwood, heartwood, and bark density. The jackknife resampling technique was used to verify and evaluate the developed models. The results showed that the independent variables of the optimal sapwood, heartwood, and bark density model were not identical. Sapwood density had a good relationship with tree age, tree height, relative height, and the square of relative height. The independent variables of the optimal heartwood density model were annual growth, relative height, and the square of relative height. The independent variables of the optimal bark density model were tree age, annual growth, relative height, and the square of relative height. The analysis of the optimal model showed that from the base to the tip of the trunk, sapwood density decreased gradually, heartwood density initially decreased and then increased regularly, bark density initially increased and then decreased gradually. The established Beta regression models could predict sapwood, heartwood, and bark density of L. olgensis at any position in the research area and be an essential basis for the study of trunk average density and biomass.Solanum rostratum is a severely invasive alien plant species in China. Using four S. rostratum populations and non-invasive congener S. americanum, we conducted a common garden experiment to compare their breeding systems. No significant difference in average seed set between the two species under open pollination and supplementary pollination conditions. However, under the bagged self-pollination condition, S. rostratum had significantly lower average seed set (29.5%) than S. americanum (47.0%). No fertile seeds were detected in the emasculation treatments for both species, suggesting no autonomous apomixis in them. S. rostratum had a lower average autofertility index (0.38) than S. americanum (0.64). S. rostratum had higher average pollen limitation index (0.29) and average pollinator's contribution index (0.49) than S. americanum (0.08 and 0.31, respectively). S. rostratum was found in 12 provinces of China and in 3835 locations globally, which were lower than S. americanum with 18 Chinese provinces and 10897 locations globally. The invasive alien S. rostratum had lower self-compatibility than the non-invasive alien S. americanum. link2 Thus, the invasiveness of those two species was not significantly correlated with their self-compatibility, but positively correlated with their distribution range.Through field survey and laboratory analysis, we examined the composition and fractal features of soil micro-aggregates in different types of treefall gaps and microsites (pit bottom and mound top) in broad-leaved Korean pine forest and spruce-fir-Korean pine forest. link3 Results showed that the contents of soil microaggregates under the classes of 0.25-2 mm and 0.05-0.25 mm were higher in both forest types, ranging from 25.7% to 50.7% and from 27.0% to 42.8%, respectively, and that of less then 0.002 mm was the lowest, ranging from 4.4% to 8.9%. In the pit bottom and mound top of gaps, soil bulk density was higher in both forest types. Soil nutrient content in mound top was higher than that in pit bottom and was higher in broad-leaved Korean pine forest than spruce-fir-Korean pine forest. Soil microaggregates of less then 0.002 mm had no correlation with soil physical and chemical properties, whereas that of 0.25-2 mm and 0.002-0.02 mm had significantly positive and negative correlation with soil non-capillary porosity, total porosity, aeration porosity, organic matter, total phosphorus, total nitrogen and organic carbon, respectively. On the whole, soil fractal dimension (D) and the proportion of characteristic soil micro-aggregates (PCM) in broad-leaved Korean pine forest were larger than those in spruce-fir-Korean pine forest, and the ratio of soil microaggregates diameter (RMD) in mound top and pit bottom was increased in two forest types. Soil D and PCM had no significant correlation with soil physical and chemical properties, while RMD was negatively correlated with capillary porosity, total porosity, soil bulk density and aeration porosity. In two forest types, the formation of mound and pit microsites could decrease the larger size micro-aggregates and the stability of soil micro-aggregate, increase soil D and PCM, and signifi-cantly increase RMD. RMD could be used as a quantitative index of soil physical and chemical properties in pit and mound microsites of forest.Phosphorus (P) limitation is one of the major issues for the management of subtropical plantations. Understanding the effects of tree species transition from conifer to broadleaved trees on soil P fraction and availability in different soil layers are of great significance for the sustainable development of subtropical forests. We compared changes in soil chemical properties, P fraction and availability across 0-100 cm soil profile between Mytilaria laosensis and Cunninghamia lanceolata plantations, which were initially reforested from C. lanceolata plantation in the spring of 1993. The results showed that soil organic P content in both plantations decreased significantly with soil depth. Compared with C. lanceolata, the M. laosensis plantation significantly increased soil available P content by 35.7% and 86.2% in the 0-10 and 10-20 cm, respectively. The contents of soil labile P and moderately labile P decreased significantly with soil depth in both plantations. The contents of labile P and moderately labile P were significantly higher in the surface soil (0-20 cm), while the non-labile P in the 80-100 cm was increased by 13.
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