Wenlei Wang

Chinese Academy of Geological Sciences

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Chaotian Xie

Jimei University

Dehua Ji

Ministry of Agriculture and Rural Affairs

Yan Xu

Agro-Environmental Protection Institute

Kai Xu

Zhejiang A & F University

Changsheng Chen

Tsinghua University

Qiuming Cheng

China University of Geosciences (Beijing)

Jie Zhao

China University of Geosciences (Beijing)

Changjiang Yuan

China University of Geosciences (Beijing)

Jie Tang

Chinese Academy of Geological Sciences

Yinghui Lin

Shanghai Institute of Technical Physics

Cooperative Institutions

Chinese Academy of Sciences

Ministry of Agriculture and Rural Affairs

Jimei University

China University of Geosciences (Beijing)

Ministry of Natural Resources

Chinese Academy of Geological Sciences

China Geological Survey

University of Chinese Academy of Sciences

Peking University

Institute of Oceanology

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K+ and Na+ transport contribute to K+/Na+ homeostasis in Pyropia haitanensis under hypersaline stress

Algal Research (2019)

Tianxiang Chen Wenlei Wang Kai Xu Yan Xu Dehua Ji

Intertidal macroalgae have a strong capacity to resist hypersaline stress; however, the underlying mechanism is still unclear. In the present study, we investigated the role of K+/Na+ homeostasis in the salinity tolerance of Pyropia haitanensis for the first time. We found that P. haitanensis had a higher K+/Na+ ratio (2.91) compared to many halophyte plants and seagrasses in the control seawater. High K+ levels and lower Na+ levels caused the K+/Na+ ratio to remain high (average 2.04 and 1.62 under 100‰ and 110‰ treatments, respectively), rather than be disrupted by severe hypersaline stress (120‰). The thallus did not accumulate Na+ under hypersaline stress, indicating that P. haitanensis avoided Na+ toxicity by excluding Na+ into the apoplast rather than compartmentalizing it into vacuoles. Since there was no passive leakage from the vacuoles back to the cytosol, there was no secondary toxicity. Further analysis suggested that the activation of plasma membrane H+-ATPase occurs to drive the Na+/H+ antiporter to exclude Na+ while also reducing K+ loss through depolarization-activated channels in P. haitanensis, which help maintain K+/Na+ homeostasis under hypersaline stress. Therefore, the present study can improve our understanding of the salt tolerance mechanism underlying intertidal macroalgae.

10.1016/j.algal.2019.101526

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Citations (31)

Evaluation of the main economic characteristics of a narrow-thallus strain of Neoporphyra haitanensis

Aquaculture (2022)

Rui Zhao Yan Xu Kai Xu Dehua Ji Changsheng Chen

Thallus

Strain (injury)

10.1016/j.aquaculture.2022.738395

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Citations (7)

Fault trace-oriented singularity mapping technique to characterize anisotropic geochemical signatures in Gejiu mineral district, China

Journal of Geochemical Exploration (2013)

Wenlei Wang Jie Zhao Qiuming Cheng

Mineral exploration

10.1016/j.gexplo.2013.07.009

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Citations (56)

GIS-based mineral potential modeling by advanced spatial analytical methods in the southeastern Yunnan mineral district, China

Ore Geology Reviews (2014)

Wenlei Wang Jie Zhao Qiuming Cheng Emmanuel John M. Carranza

Prospectivity mapping

Metallogeny

Mineral exploration

Alunite

Mineral deposit

Mineral resource classification

10.1016/j.oregeorev.2014.09.032

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Citations (41)

Anisotropy of geochemical distributions characterized by irregular window-based local singularity analysis

Geochemistry Exploration Environment Analysis (2022)

Wenlei Wang Maoqiang Zhu

Supporting the discovery of new resources to maintain the continuous development of human society is a long-term goal in mineral exploration. Geochemical data as an important geo-information carrier played significant roles in geographical information system (GIS)-based mineral prospectivity. Among the various analytical methodologies, local singularity analysis has been broadly discussed due to its high efficiency in the characterization of non-linear mineralization. Focusing on this topic, the current study first reviews local singularity analysis from its original proposition to recent progresses. Meanwhile, limitations in square and rectangular window-based singularity index α estimation algorithms are discussed. Based on this, analytical window parameters in U -statistics and algorithms to quantify the power-law relationship between the physical quantity and the measuring scale in local singularity are integrated. At each scale, optical elliptical windows along all azimuth angles are determined and further merged, which defines an irregular analytical window. Irregular windows at all scales are further applied to local singularity analysis that can consequently propose an irregular window-based singularity algorithm. Practical application in the Duolong mineral district, northern Tibet, China demonstrates well the comparable efficiency of weak anomaly identification with that of the original algorithm. More importantly, multiscale irregular windows can supplement delicate patterns to characterize anisotropic natures associated with mineralization. Thematic collection: This article is part of the Applications of Innovations in Geochemical Data Analysis collection available at: https://www.lyellcollection.org/cc/applications-of-innovations-in-geochemical-data-analysis

Prospectivity mapping

Mineral exploration

10.1144/geochem2021-089

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Citations (5)

Application of geographically weighted regression to identify spatially non-stationary relationships between Fe mineralization and its controlling factors in eastern Tianshan, China

Ore Geology Reviews (2013)

Jie Zhao Wenlei Wang Qiuming Cheng

Mineral exploration

10.1016/j.oregeorev.2013.08.005

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Citations (36)

⁴⁰Ar/³⁹Ar and Rb‐Sr Ages of the Tiegelongnan Porphyry Cu‐(Au) Deposit in the Bangong Co‐Nujiang Metallogenic Belt of Tibet, China: Implication for Generation of Super‐Large Deposit

Acta Geologica Sinica - English Edition (2017)

Bin Lin Yuchuan Chen Juxing Tang Qin Wang Yang Song

Abstract The Tiegelongnan deposit is a newly discovered super‐large porphyry‐epithermal Cu‐(Au) deposit in the western part of the Bangong Co‐Nujiang metallogenic belt, Tibet (China). Field geology and geochronology indicate that the porphyry mineralization was closely related to the Early Cretaceous intermediate‐felsic intrusions (ca. 123–120 Ma). Various epithermal ore and gangue mineral types were discovered in the middle‐shallow part of the orebody, indicating the presence of epithermal mineralization at Tiegelongnan. Potassic, propylitic, phyllic and advanced argillic alteration zones were identified. 40 Ar/ 39 Ar dating of hydrothermal biotite (potassic zone), sericite (phyllic zone), and alunite (advanced argillic zone) in/around the ore‐bearing granodiorite porphyry yielded 121.1±0.6 Ma (1σ), 120.8±0.7 Ma (1σ) and 117.9±1.6 Ma (1σ), respectively. Five hydrothermal mineralization stages were identified, of which the Stage IV pyrite was Rb‐Sr dated to be 117.5±1.8 Ma (2σ), representing the end of epithermal mineralization. Field geology and geochronology suggest that both the epithermal and porphyry mineralization belong to the same magmatic‐hydrothermal system. The Tiegelongnan super‐large Cu‐(Au) deposit may have undergone a prolonged magmatic‐hydrothermal evolution, with the major mineralization event occurring at ca.120–117Ma.

Geochronology

Sericite

Stockwork

Argillic alteration

Alunite

Felsic

Hypogene

Ore genesis

Molybdenite

10.1111/1755-6724.13120

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Citations (48)

The mechanism of maintaining intracellular homeostasis in the red alga Pyropia haitanensis under hyposaline stress

Frontiers in Marine Science (2022)

Jian Wen Kai Xu Dehua Ji Yan Xu Changsheng Chen

The cultivation of hyposaline-tolerant varieties of the red alga Pyropia haitanensis is not only conducive to expanding the area of intertidal seaweed cultivation, but also contributes to preventing eutrophication of coastal waters. Research on the mechanism of hyposaline tolerance of P. haitanensis is an important prerequisite for breeding hyposaline-tolerant varieties. Here, we used proteomics and targeted metabolomics technologies to identify the key proteins and metabolites in thalli of P. haitanensis that changed under two hyposaline stress treatments: 0‰, LSS 0; 5‰, LSS 5. Responses of thalli of P. haitanensis to hyposaline stress included to inhibit protein synthesis, recruit molecular chaperones, and enhance the removal of misfolded proteins to maintain the dynamic balance of protein folding and removal; the response was similar under hypersaline stress. Glycolysis was the main energy supply pathway, and thalli actively maintained the stability of the cell membrane under hyposaline stress, which was distinct from the response to hypersaline stress. Compared with the LSS 0 treatment, P. haitanensis exhibited a more adequate energy supply, more stable endoplasmic reticulum environment and more intact membrane system under the LSS 5 treatment. The results improve understanding of the hyposaline tolerance mechanism of intertidal seaweed and provide a theoretical basis for the development of hyposaline-tolerant varieties.

Thallus

10.3389/fmars.2022.928617

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Citations (4)

Cloning and functional analysis of a phosphoglycerate kinase (PhPGK) from Pyropia haitanensis

Journal of Applied Phycology (2023)

Yanqing Liao Dehua Ji Yan Xu Kai Xu Changsheng Chen

Phosphoglycerate kinase

Chlamydomonas reinhardtii

10.1007/s10811-023-03013-z

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Citations (6)