Explanipedia

Recovery of 1,773 microbial genomes and 2,060 viral genomes from the Mars-analog Qaidam Basin desert Open

Li Liu, Wensi Zhang, Wei Lin · 2025

The Qaidam Basin on the northern Tibetan Plateau represents a terrestrial Mars-analog desert characterized by hyperaridity, low temperatures, intense ultraviolet radiation, and high-salinity soils. To unveil the largely unexplored genomic …

Influence of a 7 T magnetic field on growth, biomineralization, and denitrification metabolism in <i>Magnetospirillum gryphiswaldense</i> MSR-1 Open

Jing Zhang, Juan Wan, Chengyin Shen, Yaoyao Zhang, Jiarong Wang , et al. · 2025

High magnetic fields represent an extreme physical condition with growing applications in advanced materials and magnetic resonance technologies. However, the physiological and molecular responses of organisms under such conditions remain …

Magnetosome gene cluster containing bacteria in oxygen-stratified freshwater ecosystems of northern landscapes Open

Runjia Ji, Juan Wan, Kuang He, Pranami Goswami, Jianxun Shen , et al. · 2025

Magnetotactic bacteria (MTB) are capable of magnetic navigation (magnetotaxis) through the intracellular biomineralization of membrane-bound magnetic nanoparticles, known as magnetosomes, which are regulated by magnetosome gene clusters (M…

Cascading impacts of the Maunder Minimum on rainfall and society in the Joseon dynasty Open

Yuqi Wang, Yong Wei, Feng Shi, Xichen Li, Zhonghua Yao , et al. · 2025

Human civilization's evolution is shaped by climate change, with solar energy input into the Earth's system as the primary external driver. This influence should be more pronounced during agricultural stages and periods of extreme solar ac…

Reconstructing the invasion pathways of the bark beetles Orthotomicus erosus and Cyrtogenius luteus (Coleoptera, Curculionidae, Scolytinae) in South America Open

Leonel Stazione, Carolina Soliani, Anthony I. Cognato, Demian F. Gómez, Dimitrios Ν. Avtzis , et al. · 2025

Global trade and the spread of non-native host plants are driving the introduction of forest insects to new regions, often causing substantial ecological and economic damage in forests. Understanding invasion pathways is essential to track…

Behavior Modeling Space Reconstruction for E-Commerce Search Open

Yejing Wang, Chi Zhang, Xiangyu Zhao, Qidong Liu, Maolin Wang , et al. · 2025

Delivering superior search services is crucial for enhancing customer experience and driving revenue growth. Conventionally, search systems model user behaviors by combining user preference and query item relevance statically, often throug…

Lasting biosignatures for 165 million years in lichens detected by multiple spectroscopies and the implication for extreme environmental and exoplanetary life exploring Open

Guobin Jin, Peng Liu, Zhongchen Wu, Qiuxia Yang, Wenpeng Lü , et al. · 2025

Biomineralization in magnetotactic bacteria: From diversity to molecular discovery-based applications Open

Juan Wan, Runjia Ji, Jia Liu, Kun Ma, Yongxin Pan , et al. · 2024

The synthesis of magnetic nanoparticles (Fe₃O₄ or Fe₃S₄) within the membrane-bound organelles known as magnetosomes in magnetotactic bacteria (MTB) is a remarkable example of microbial-controlled…

Perchlorate‐tolerant bacterial strains isolated from the Mars‐analog Qaidam Basin soils exposed to Earth's near space Open

Li Liu, Mengling Kang, Zhe Wang, Jianxun Shen, Yongxin Pan , et al. · 2024

Impact statement Earth's lower near space of 20–40 km above sea level with polyextreme conditions serves as a unique Mars analog for astrobiological research to investigate the limits of life on Earth and planetary protection consideration…

Linking morphology, genome, and metabolic activity of uncultured magnetotactic Nitrospirota at the single-cell level Open

Runjia Ji, Juan Wan, Jia Liu, Jinbo Zheng, Tian Xiao , et al. · 2024

Background Magnetotactic bacteria (MTB) are a unique group of microorganisms that sense and navigate through the geomagnetic field by biomineralizing magnetic nanoparticles. MTB from the phylum Nitrospirota (previously known as Nitrospirae…

Moss surviving Mars-like extreme conditions Open

Yongxin Pan, Wei Lin · 2024

Taphonomy of biosignatures in carbonate nodules from the Mars-analog Qaidam Basin: constraints from microscopic, spectroscopic, and geochemical analyses Open

Yan Chen, Zongjun Yin, Wei Lin · 2024

Early diagenetic nodules with low permeable and weather-resistant structures are considered to be favorable for biosignature preservation. Numerous nodular structures forming in neutral-to-alkaline and saline diagenetic fluids were previou…

Balloon-based exposed payload designed for astrobiological research in Earth’s near space Open

Yanqiu Wang, Jianxun Shen, Chao Wang, Weining Li, Guan Wang Guan Wang , et al. · 2024

Earth’s near space, located in the region between 20 and 100 km above sea level, is characterized by extreme conditions, such as low temperature, low atmospheric pressure, harsh radiation, and extreme dryness. These conditions are analogou…

Buried palaeo-polygonal terrain detected underneath Utopia Planitia on Mars by the Zhurong radar Open

Lei Zhang, Chao Li, Jinhai Zhang, Bin Zhou, Yuyan Zhao , et al. · 2023

As the largest basin on Mars, Utopia Planitia has both experienced and recorded variations of the Martian palaeoclimate. Layered subsurface structures have been identified by ground-penetrating radar in southern Utopia Planitia but lateral…

Metabolic versatility of soil microbial communities below the rocks of the hyperarid Dalangtan Playa Open

Li Liu, Yan Chen, Jianxun Shen, Yongxin Pan, Wei Lin · 2023

Microbial assemblages inhabiting soils sheltered by rocks are widespread in the hyperarid and hypersaline Dalangtan Playa, which could contribute significantly to the ecological processes in this desert ecosystem. Here, we performed geoche…

Renaissance for magnetotactic bacteria in astrobiology Open

Jianxun Shen, Greig A. Paterson, Yinzhao Wang, Joseph L. Kirschvink, Yongxin Pan , et al. · 2023

Capable of forming magnetofossils similar to some magnetite nanocrystals observed in the Martian meteorite ALH84001, magnetotactic bacteria (MTB) once occupied a special position in the field of astrobiology during the 1990s and 2000s. Thi…

Balloon-based Exposed Payload Designed for Astrobiological Research in Earth’s Near Space Open

Yanqiu Wang, Chao Wang, Jianxun Shen, Weining Li, Gaohong Wang , et al. · 2023

Earth’s near space is a region between 20 and 100 km above sea level, which is characterized by low temperature, low atmospheric pressure, harsh radiation, and extreme dryness. These conditions are analogous to the surface of Mars and the …

Insight into the metabolic potential and ecological function of a novel Magnetotactic Nitrospirota in coral reef habitat Open

Yicong Zhao, Wen‐Yan Zhang, Hongmiao Pan, Jianwei Chen, Kaixuan Cui , et al. · 2023

Magnetotactic bacteria (MTB) within the Nitrospirota phylum play important roles in biogeochemical cycles due to their outstanding ability to biomineralize large amounts of magnetite magnetosomes and intracellular sulfur globules. For seve…

An overview of experimental simulations of microbial activity in early Earth Open

Mingyu Zhao, Yao Zhao, Wei Lin, Ke‐Qing Xiao · 2023

Microbial activity has shaped the evolution of the ocean and atmosphere throughout the Earth history. Thus, experimental simulations of microbial metabolism under the environment conditions of the early Earth can provide vital information …

Correlation analysis between the occurrence of epidemic in ancient China and solar activity Open

Si Chen, Yong Wei, Xinan Yue, Kaihua Xu, Mingkun Li , et al. · 2022

Soil Bacteria Mediate Soil Organic Carbon Sequestration under Different Tillage and Straw Management in Rice-Wheat Cropping Systems Open

Lijin Guo, Jie Shi, Wei Lin, Jincheng Liang, Zhenhua Lü , et al. · 2022

Soil organic carbon (SOC) largely influences soil quality and sustainability. The effects of no-till (NT) and crop straw return practices (SR) on soil organic carbon sequestration have been well documented. However, the mechanism of soil b…

Magnetotactic bacteria and magnetofossils: ecology, evolution and environmental implications Open

Pranami Goswami, Kuang He, Jinhua Li, Yongxin Pan, Andrew P. Roberts , et al. · 2022

Magnetotactic bacteria (MTB) are a group of phylogenetically diverse and morphologically varied microorganisms with a magnetoresponsive capability called magnetotaxis or microbial magnetoreception. MTB are a distinctive constituent of the …

Model-Based Grey-Box Fuzzing of Network Protocols Open

Yan Pan, Wei Lin, Liang Jiao, Yuefei Zhu · 2022

The widely used network protocols play a crucial role in various systems. However, the protocol vulnerabilities caused by the design of the network protocol or its implementation by programmers lead to multiple security incidents and subst…

Value of metagenomic next-generation sequencing in children with severe infectious diseases. Open

Yihui Zheng, Wei Lin, Tianlei Zhang, Yu Fang, Bin‐Wen Chen , et al. · 2022

Compared with conventional pathogen culture, mNGS is more sensitive for pathogen detection, with fewer interference factors. Therefore, it is a better pathogenic diagnosis method for severe infectious diseases in children.

Comprehensive bioinformatics analysis reveals the hub genes and pathways associated with multiple myeloma Open

Shengli Zhao, Xiaoyi Mo, Zhenxing Wen, Lijuan Ren, Zhipeng Chen , et al. · 2022

The hub genes identified in this study can partially explain the potential molecular mechanisms of MM and serve as candidate biomarkers for disease diagnosis.

Identification of circRNA Expression Profiles in BMSCs from Glucocorticoid-Induced Osteoporosis Model Open

Zhipeng Chen, Wei Lin, Shengli Zhao, Xiaoyi Mo, Zhenxing Wen , et al. · 2022

Background. Circular RNAs (circRNAs) contribute to the regulation of many diseases. However, little is known about the role of circRNAs in the development of glucocorticoid-induced osteoporosis (GIOP). The present study is aimed at systema…

Coverage-guided differential testing of TLS implementations based on syntax mutation Open

Yan Pan, Wei Lin, He Yu-Bo, Yuefei Zhu · 2022

Transport layer security (TLS) protocol is the most widely used security protocol in modern network communications. However, protocol vulnerabilities caused by the design of the network protocol or its implementation by programmers emerge …

MagCluster: a Tool for Identification, Annotation, and Visualization of Magnetosome Gene Clusters Open

Runjia Ji, Wensi Zhang, Yongxin Pan, Wei Lin · 2022

Magnetosome gene clusters (MGCs), which are responsible for magnetosome biosynthesis and organization in magnetotactic bacteria (MTB), are the key to deciphering the mechanisms and evolutionary origin of magnetoreception, organelle biogene…

Detection of biosignatures in terrestrial Mars analogs: Strategical and technical assessments Open

Jianxun Shen, Yan Chen, Yu Sun, Li Liu, Yongxin Pan , et al. · 2022

For decades, the search for potential signs of Martian life has attracted strong international interest and has led to significant planning and scientific implementation. Clearly, in order to detect potential life signals beyond Earth, fun…

关于我国天体生物学研究的思考 Open

Wei Lin, Jianxun Shen, Yongxin Pan · 2022

摘要: 探索地外宜居环境和生命信号是深空探测的重要科学目标.天体生物学在宇宙演化的背景下研究生命的起源、演化、分布和未来，是由地球科学、生命科学、空间科学、天文学、化学等多学科融合形成的一门前沿交叉学科.随着人类深空探测的不断进步，天体生物学的研究内涵在不断拓展，其研究方式也更趋于多元和交叉.概述了天体生物学的内涵和发展态势，研判我国天体生物学研究所面临的机遇与挑战，并对我国在该领域的发展提出了建议. 关键词: 天体生物学 / 宜居环境 / 地外生命探索 / 行星探测 / …

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