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Genomic analysis of a pure culture of magnetotactic bacterium Terasakiella sp. SH-1
Springer Science and Business Media LLC - Tập 39 Số 6 - Trang 2097-2106 - 2021
Haijian Du, Wenyan Zhang, Wei Lin, Hongmiao Pan, Tian Xiao, Long-Fei Wu
Structure and diversity dynamics of microbial communities at day and night: investigation of meromictic Lake Doroninskoe, Transbaikalia, Russia
Springer Science and Business Media LLC - Tập 36 - Trang 1978-1992 - 2018
Evgeniya Matyugina, Natalia Belkova, Svetlana Borzenko, Pavel Lukyanov, Marsel Kabilov, Olga Baturina, Alexandra Martynova-Van Kley, Armen Nalian, Aleksei Ptitsyn
Extreme environmental conditions are key factors in the formation of the structure and diversity of microbial communities. In meromictic ecosystems, extreme conditions and a stable stratification of physical, chemical and biological parameters lead to diversity and heterogeneity of microenvironments. Lake Doroninskoe is located in an extreme geographical area and differs from other known meromicti...... hiện toàn bộ
Carbon distribution strategy of Aurelia coerulea polyps in the strobilation process in relation to temperature and food supply
Springer Science and Business Media LLC - Tập 36 - Trang 2216-2230 - 2018
Nan Wang, Chaolun Li, Yantao Wang, Song Feng
Mass occurrences of moon jellyfish have been observed in coastal waters. Strobilation directly determines the initial population size of adult jellyfish, but energy distribution during the strobilation process is not well understood. In this study, strobilation was induced in polyp of Aurelia coerulea by elevating temperature. The different stages in the strobilation process, including polyp buddi...... hiện toàn bộ
Geochemistry and sedimentology of sediments in a short fluvial system, NW China: implications to the provenance and tectonic setting
Springer Science and Business Media LLC - Tập 41 Số 5 - Trang 1706-1728 - 2023
Guo, Ling, Zhang, Huanmeng, Peng, Xiaoxia
Six outcrop sections in Fenghe River, Northwestern China, were sampled and analyzed. This study aims to determine provenance, tectonic setting, and source-area paleoweathering of the sediments of Fenghe River in combination of lithofacies analysis and bulk-rock geochemical data. The lithofacies in the studied area were classified as gravel, sand, and fine-grained clastic lithofacies, reflecting ge...... hiện toàn bộ
Who is the “murderer” of the bloom in coastal waters of Fujian, China, in 2019?
Springer Science and Business Media LLC - - 2019
Jingyi Cen, Jianyan Wang, Lifen Huang, Guangmao Ding, Yuzao Qi, Rongbo Cao, Lei Cui, Songhui Lü
On May 24–29, 2019, a bloom occurring in Pingtan coastal areas of Fujian Province caused mass mortality of cage-cultured fish (Plectorhinchus cinctus and Pagrosomus major). During the bloom, two major causative organisms were present: Prorocentrum donghaiense (at a concentration of 1.46×107 cells/L) and an unknown naked dinoflagellate (4.58×106 cells/L). The naked dinoflagellate was isolated and c...... hiện toàn bộ
Immunostimulatory effect of quaternary degree and acetyl group of quaternized chitosan on macrophages RAW 264.7
Springer Science and Business Media LLC - Tập 40 - Trang 1160-1170 - 2022
Xiaomin Li, Rong’e Xing, Chaojie Xu, Song Liu, Yukun Qin, Kecheng Li, Huahua Yu, Pengcheng Li
Hydroxypropyltrimethyl ammonium chloride chitosan (HACC) and hydroxypropyltrimethyl ammonium chloride fully deacetylated chitosan (De-HACC) were synthesized with various degrees of substitution by altering the ratio of chitosan to glycidyl trimethyl-ammonium chloride (GTMAC). The effects of the quaternary ammonium degree and the acetyl group of these polymers on immunostimulatory activities were d...... hiện toàn bộ
Quantitative estimation of bubble volume fraction of submarine seep plumes by modeling seismic oceanography data
Springer Science and Business Media LLC - Tập 41 - Trang 673-686 - 2023
Tonggang Han, Jiangxin Chen, Leonardo Azevedo, Bingshou He, Huaning Xu, Rui Yang
Submarine seep plumes are a natural phenomenon in which different types of gases migrate through deep or shallow subsurface sediments and leak into seawater in pressure gradient. When detected using acoustic data, the leaked gases frequently exhibit a flame-like structure. We numerically modelled the relationship between the seismic response characteristic and bubble volume fraction to establish t...... hiện toàn bộ
Extraction of agar from Eucheuma cottonii and Gelidium amansii seaweeds with sonication pretreatment using autoclaving method
Springer Science and Business Media LLC - Tập 37 - Trang 871-880 - 2019
Siti Sabariah Din, Kit Wayne Chew, Yu-Kaung Chang, Pau Loke Show, Siew Moi Phang, Joon Ching Juan
The effect of sonication pretreatment condition on Eucheuma cottonii and Gelidium amansii seaweed towards agar extraction wae studied. Four parameters were changed during sonication to investigate the effects on agar yield and quality. These parameters include the time interval, concentration ratio, frequency, and intensity. The highest amount of agar extracted from Eucheuma cottonii species could...... hiện toàn bộ
Cladophora mats in a Crimean hypersaline lake: structure, dynamics, and inhabiting animals
Springer Science and Business Media LLC - Tập 36 - Trang 1930-1940 - 2018
Alexandr V. Prazukin, Elena V. Anufriieva, Nickolai V. Shadrin
Filamentous green algae play an important functional role in element cycling and productivity in the different water bodies. In hypersaline lakes and lagoons of the Crimea, filamentous green algae are present and form bottom and floating mats that occupy large areas with high biomass, up to 4–5 kg (wet biomass)/m2. Cladophora spp. dominated in those mats. Five species of filamentous green algae (C...... hiện toàn bộ
Quantification of the impact of environmental factors on chlorophyll in the open ocean
Springer Science and Business Media LLC - Tập 39 - Trang 447-457 - 2020
Dandan Zhao, Le Gao, Yongsheng Xu
Many previous studies of the impact of oceanic environmental factors on chlorophyll (CHL) in a specific region focused on sea surface temperature (SST), mixed-layer depth (MLD), or wind stress (WS) alone. In this study, relationship between CHL and all those environmental factors (SST, MLD, and WS) in the open ocean was quantified for five regions within the subtropical gyres and the variation tre...... hiện toàn bộ
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