22 Result(s)
within
Life Sciences
Ecology
Shi ** Chen
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Article
Crop Straws with Contrasting C/N Ratios Affect the Organic Carbon Turnover and Its Net Sequestration Efficiency When Solely or Jointly Incorporated to a Fertilized Soil
The quality (carbon to nitrogen ratio; C/N ratio) of crop residue affects the decomposition of soil organic carbon (SOC) due to the nutrient stoichiometry, which requires well-exploration especially on the dyn...
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Article
Phosphorus deficiency regulates the growth and photophysiology responses of an economic macroalga Gracilariopsis lemaneiformis to ocean acidification and warming
Ocean acidification and warming caused by elevated CO2 are urgent problems facing the marine ecological environment. With the strengthening of environmental governance in China, anthropogenic inputs of terrestria...
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Article
Effects of root rot on microbial communities associated with goji berry (Lycium barbarum) in the Qaidam Basin, China
Goji berry (Lycium barbarum) is an important cash crop in China. However, in recent years its yield has been threatened by root rot caused by fungal pathogens. The infection significantly alters the structure and...
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Article
Root 1-aminocyclopropane-l-carboxylic acid (ACC) and rhizosphere ACC deaminase-producing bacteria affect apple root architecture under soil compaction stress
Soil compaction inhibits root growth by limiting ethylene diffusion and often occurs in apple orchards. This study explored the mechanism of ethylene accumulation around apple roots in compacted soil from a mi...
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Article
Carbon and nutrient limitations of soil microbial metabolism in Quercus aquifolioides forest ecosystems along a precipitation gradient on the eastern Qinghai-Tibetan Plateau
The response of soil microbial metabolic limitation in forest ecosystems to various factors remains poorly understood. The purpose of the study was to reveal the characteristics of microbial metabolic limitati...
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Article
Extracellular enzyme characteristics and microbial metabolic limitation in soil of subalpine forest ecosystems on the eastern Qinghai-Tibetan Plateau
Subalpine forest ecosystems are sensitive to climate change, and extracellular enzyme activities and microbial metabolic limitation in soils are influenced by multiple factors including climate. The study aims...
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Article
AtMYB31 is a wax regulator associated with reproductive development in Arabidopsis
AtMYB31, a R2R3–MYB transcription factor that modulates wax biosynthesis in reproductive tissues, is involved in seed development in Arabidopsis.
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Article
Transgenic eukaryotic microalgae as green factories: providing new ideas for the production of biologically active substances
Eukaryotic microalgae are important primary producers in nature that play an important role in the energy cycle of nature. The eukaryotic microalgae are also regarded as potential bioactive substance producers...
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Article
Characterization of recombinant glutathione reductase from Antarctic yeast Rhodotorula mucilaginosa
Glutathione reductase (GR) catalyzes the reduction of glutathione disulfide, which helps to maintain a cellular reducing environment during stress in organisms. However, GR of polar yeast has not been well-cha...
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Article
Experimental evidence for the role of heterotrophic bacteria in the formation of Microcystis colonies
Microcystis, a genus of cyanobacteria that is dominant in eutrophic lakes, occurs mainly as colonial morphs under natural conditions but as single cells in laboratory cultures. Recent stu...
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Article
Tocopherol-deficient rice plants display increased sensitivity to photooxidative stress
Tocopherol-deficient transgenic plants were generated by silencing HPT and TC. They exhibited distinct phenotype and physiological parameters under high light condition, indicating that tocophe...
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Article
The combined effects of warming and drying suppress CO2 and N2O emission rates in an alpine meadow of the eastern Tibetan Plateau
The eastern Tibetan Plateau has become increasingly warmer and drier since the 1990s. Such warming and drying has a great impact on ecosystem processes on the eastern Tibetan Plateau. To determine their combin...
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Article
The differential behavior of arbuscular mycorrhizal fungi in interaction with Astragalus sinicus L. under salt stress
Three arbuscular mycorrhizal (AM) fungi (Glomus mosseae, Glomus claroideum, and Glomus intraradices) were compared for their root colonizing ability and activity in the root of Astragalus sinicus L. under salt-st...
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Article
Chemical forms of manganese in the leaves of manganese hyperaccumulator Phytolacca acinosa Roxb. (Phytolaccaceae)
Phytolacca acinosa Roxb. is a Mn hyperaccumulating plant. In the present study, the chemical forms of Mn in the leaves of P. acinosa were investigated using chemical analyses and X-ray ab...
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Article
Effects of long-term grazing on the morphological and functional traits of Leymus chinensis in the semiarid grassland of Inner Mongolia, China
Livestock grazing represents a major human disturbance to grasslands throughout the world. We evaluated the effects of long-term grazing (>20 years) on a dominant perennial grass species, Leymus chinensis (Trin.)...
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Article
Increased activity of the tandem fructose-1,6-bisphosphate aldolase, triosephosphate isomerase and fructose-1,6-bisphosphatase enzymes in Anabaena sp. strain PCC 7120 stimulates photosynthetic yield
The regulation of photosynthetic yield at the genetic level has largely focused on manipulation of the catalytic enzymes in the Calvin cycle by genetic engineering. In order to investigate the contribution of ...
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Article
Compensatory growth responses to clip** defoliation in Leymus chinensis (Poaceae) under nutrient addition and water deficiency conditions
Compensatory growth responses of Leymus chinensis, a dominant species in Inner Mongolia steppe, to clip** defoliation were evaluated in a pot-cultivated experiment under different nutrient (N and P) and water a...
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Article
Increased activity of the non-regulated enzymes fructose-1,6-bisphosphate aldolase and triosephosphate isomerase in Anabaena sp. strain PCC 7120 increases photosynthetic yield
Non-regulated enzymes in the Calvin cycle are generally presumed to be less important for the regulation of photosynthetic yield. Here, to investigate the relationship between the activity of non-regulated enz...
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Article
Genetic structure and habitat selection of the tall form Spartina alterniflora Loisel. in China
Spartina alterniflora Loisel., a highly invasive species on the Chinese coast, is a focus of increasing management concerns due to its high expansion rate in tideland and the significant damages on native ecosyst...
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Article
Distribution and mobility of manganese in the hyperaccumulator plant Phytolacca acinosa Roxb. (Phytolaccaceae)
The distribution and mobility of manganese (Mn) in the hyperaccumulator plant species Phytolacca acinosa Roxb. (Phytolaccaceae) were investigated in a hydroponic system. The plants were exposed to 2 or 5 mM Mn fo...
