Article
Multidisciplinary Sciences
Yongsheng Liu, Wei Chen, Stephen F. Foley, Yan'an Shen, Chunfei Chen, Junhua Li, Xiaobin Ou, Detao He, Qinglai Feng, Jie Lin
Summary: Studies suggest that the Shuram Excursion event in the late Ediacaran period is geologically and geochemically related to igneous processes in the Doushantuo Formation in South China. These findings imply that ancient carbonate rocks, subjected to decarbonation during subduction, melting, and eruption related to the breakup of the Rodinia supercontinent, contributed to the Shuram Excursion event. This igneous model may provide a connection between the deep and shallow carbon cycles of the Earth.
Review
Geosciences, Multidisciplinary
Di Xiao, Jian Cao, Bing Luo, Xiucheng Tan, Wenyao Xiao, Yuan He, Kunyu Li
Summary: The Neoproterozoic period is a significant record of glacial-postglacial paleoenvironments, organic carbon cycling, and hydrocarbon accumulation. Sediments from this period generally have the potential for hydrocarbon generation, with marine transgression influencing organic matter abundance through paleo-productivity and anoxia. The findings in the Sichuan Basin suggest potential for oil and gas exploration in certain depocenters of the Doushantuo Formation sediments.
EARTH-SCIENCE REVIEWS
(2021)
Article
Geosciences, Multidisciplinary
Congsheng Bian, Zheng Sun, Xuan Chen, Chuanxin Li, Shunqi Chai, Yuhao Deng, Tian Gao
Summary: This paper describes the stratigraphic distribution and sedimentary evolutionary characteristics of the Neoproterozoic Nanhua System and Doushantuo Formation in the northeastern margin of the Sichuan Basin, establishing a regional stratigraphic framework and evolutionary sequence. The lithology and sedimentary facies of these strata are diverse, showing a changing climate and favorable resource potential for natural gas exploration.
GEOLOGICAL JOURNAL
(2023)
Article
Geochemistry & Geophysics
Chadlin M. Ostrander
Summary: The initial appearance of animals in the fossil record during the Ediacaran period has been linked to an increase in marine oxygen levels. However, there are debates on whether Ediacaran animals actually required such a change in oxygen levels. Alternative interpretations of geochemical trends tracking this oxygen change exist, and emerging geochronological constraints reveal temporal misalignments. Reevaluating the coeval rise of Ediacaran oxygen and animals seems necessary.
EARTH AND PLANETARY SCIENCE LETTERS
(2023)
Article
Geosciences, Multidisciplinary
Simon Hohl, Alexandra S. Rodler, Sebastian Viehmann, Xiangtong Huang, Juan Xu, Claudio Gaucher, Gerard J. B. Germs, Wulf Hegenberger, Steven Goderis, Haizhen Wei, Robert Frei
Summary: The Neoproterozoic era witnessed several glaciations and the geodynamic reorganization of cratonic blocks. Through the study of trace elements and isotopes in carbonate deposits, fluctuations in oxygen levels on marine shelves have been observed. The research in Namibia shows changes in bio-geochemical conditions in late Neoproterozoic seawater, as well as long-term shifts in continental weathering and short-term changes in ocean circulation patterns.
PRECAMBRIAN RESEARCH
(2022)
Article
Geosciences, Multidisciplinary
Juliana Okubo, Alan J. Kaufman, Lucas Warren, Michael N. Evans, Selva Marroquin, Michael A. Varni, Aroldo Misi, Anelize M. Bahniuk, Shuhai Xiao
Summary: This study presents high-resolution δ^13C and δ^34S data from the Sete Lagoas Formation in the Bambui basin, Brazil, indicating evidence for sulfate distillation and removal of pyrite from the basin. The data are consistent with quantitative simulations and suggest a shorter distillation time interval due to lower Neoproterozoic seawater sulfate concentrations.
JOURNAL OF THE GEOLOGICAL SOCIETY
(2022)
Article
Geosciences, Multidisciplinary
Zhiyue Zhang, Peng Peng, Lianjun Feng, Zheng Gong, Ross N. Mitchell, Youlian Li
Summary: The Neoproterozoic Era is known for its significant negative carbon isotope excursions, which are linked to major events such as snowball Earth glaciations, ocean-atmosphere oxygenation, and the evolution of animal multicellularity. The identification of the Majiatun anomaly fills a critical gap in early Neoproterozoic carbon isotopes, suggesting the onset of carbon cycle volatility much earlier than previously thought. This discovery implies deeper roots for biogeochemical processes that may have led to late Neoproterozoic snowball glaciation, oxygenation, and biological innovation.
Article
Geology
Zhaofu Gao, Xiangkun Zhu, Dan Wang, Chenxu Pan, Bin Yan, Jin Li
Summary: The Mn-carbonate ore at the Gaoyan deposit is formed by a combination of depositional environment and hydrothermal processes, as evidenced by geochemical characteristics such as high Mn/Fe ratios and high Ba content. The mixing of radiogenic Sr from hydrothermal sources and the occurrence of euxinic conditions with pyrite and rhodochrosite indicate the influence of hydrothermal contribution in the formation of sedimentary Mn mineralization. The slightly light carbon isotope compositions of the manganese carbonate ores suggest a limited carbon source from oxidation of organic material.
ORE GEOLOGY REVIEWS
(2021)
Article
Biodiversity Conservation
Huw J. Griffiths, Rowan J. Whittle, Emily G. Mitchell
Summary: The timing of the first appearance of animals is crucial for understanding the evolution of life on Earth. The fossil record suggests a relatively recent origin, while molecular clock studies suggest a much earlier origination. Little attention has been given to how animal life would have survived during global glacial periods. Recent research on polar biota offers insights into the survival strategies and habitats of modern marine organisms in environments similar to those during Neoproterozoic glaciations.
GLOBAL CHANGE BIOLOGY
(2023)
Article
Geosciences, Multidisciplinary
Qing Tang, Huan Cui, Feifei Zhang
Summary: The Neoproterozoic era witnessed significant changes in the Earth-life system, including geological reconfigurations, extreme climatic events, geochemical perturbations, and the rise of complex multicellular eukaryotes. This special issue presents frontier research on the potential links between geological and biological changes during this period, inspiring interdisciplinary studies for a better understanding of the Neoproterozoic Earth-life system.
PRECAMBRIAN RESEARCH
(2022)
Article
Geosciences, Multidisciplinary
Mandy Zieger-Hofmann, Johannes Zieger, Andreas Gaertner, Katja Mende, Anja Sagawe, Helke Mocke, Kombada Mhojeni, Linda Marko, Richard Albert, Axel Gerdes, Ulf Linnemann
Summary: A conclusive correlation model for Neoproterozoic glacial units of southern Namibia was established through the analysis of multiple methods. The study revealed that the sediments in southern Namibia showed similar detrital zircon features, indicating the continuous recycling of the same material during the Neoproterozoic. Additionally, the analysis of U-Pb isotope ratios in cap carbonates provided valuable age determinations, further confirming the ages of certain formations.
EARTH-SCIENCE REVIEWS
(2022)
Article
Geochemistry & Geophysics
Xiaoqing He, Ziyao Fang, Yunpei Gao, Xi Yu, Yanan Shen, Liping Qin
Summary: The redox states of the ocean and atmosphere during the Ediacaran Period remain controversial. This study presents systematic Cr isotopic data for two Ediacaran successions in South China, revealing that the ocean redox conditions were highly stratified and heterogeneous. The positively fractionated 853Cr values indicate higher atmospheric oxygen and enhanced biological productivity during this period.
GEOCHIMICA ET COSMOCHIMICA ACTA
(2023)
Article
Geography, Physical
Huan Cui, Kouki Kitajima, Ian J. Orland, Shuhai Xiao, Jean-Marc Baele, Alan J. Kaufman, Adam Denny, Chuanming Zhou, Michael J. Spicuzza, John H. Fournelle, John W. Valley
Summary: The Ediacaran Period saw the earliest paleontological evidence for macroscopic animals and the largest carbon cycle anomaly in Earth history known as the Shuram Excursion. Despite numerous hypotheses proposed for the origins of the Shuram Excursion, empirical evidence based on fundamental petrographic results at the micrometer scale remains limited. This study of the EN3 interval in the Doushantuo Formation in South China provides evidence supporting a depositional origin of the Shuram Excursion and little support for other hypotheses involving diagenetic processes.
GLOBAL AND PLANETARY CHANGE
(2021)
Article
Multidisciplinary Sciences
Elizabeth C. Turner
Summary: The discovery of vermiform microstructure in microbial reefs dating to approximately 890 million years ago, resembling the body fossils of Phanerozoic demosponges, may represent the earliest known physical evidence of animals.
Article
Geology
Liang Qi, Yaguan Zhang, Liangxuan Jiao, Jianzhong Liu, Yuansheng Du, Zepeng Wang, Wenchao Yu, Hua Guo, Qun Chen, Wenming Wu
Summary: Economic phosphorite from the Ediacaran Doushantuo Formation represents the onset of the Precambrian-Cambrian global phosphogenic event. A multi-stage metallogenic model is proposed to explain the formation of high-grade phosphorite deposits.
ORE GEOLOGY REVIEWS
(2023)
Article
Developmental Biology
Changgong Li, Matt K. Lee, Feng Gao, Sha Webster, Helen Di, Jiang Duan, Chang-Yo Yang, Navin Bhopal, Neil Peinado, Gloria Pryhuber, Susan M. Smith, Zea Borok, Saverio Bellusci, Parviz Minoo
Article
Cell Biology
Changgong Li, Susan M. Smith, Neil Peinado, Feng Gao, Wei Li, Matt K. Lee, Beiyun Zhou, Saverio Bellusci, Gloria S. Pryhuber, Hsin-Yi Henry Ho, Zea Borok, Parviz Minoo
Meeting Abstract
Biochemistry & Molecular Biology
Parviz Minoo, Fremont Gao, Changgong Li, Cho-Ming Chao, Saverio Bellusci
Article
Cell & Tissue Engineering
Changgong Li, Neil Peinado, Susan Smith, Jing Zhou, Feng Gao, GoleNaz Kohbodi, Beiyun Zhou, Matthew Thornton, Brendan Grubbs, Matt Lee, Saverio Bellusci, Zea Borok, Ya-Wen Chen, Parviz Minoo
Summary: Wnt5a plays a crucial role in the differentiation of AT1 cells during lung development, with its gain-of-function disrupting alveologenesis by inhibiting cell proliferation and regulating AT1/AT2 lineage-specific gene expression. This selective regulation ensures proper balance between AT1 and AT2 cells in the developing lung.
Article
Cell Biology
Feng Gao, Changgong Li, Soula Danopoulos, Denise Al Alam, Neil Peinado, Sha Webster, Zea Borok, GoleNaz Adeli Kohbodi, Saverio Bellusci, Parviz Minoo
Summary: During alveologenesis, PDGFRa(+) cells secrete trophic molecules to maintain the pAT2 cell population, while TGF beta signaling maintains the PDGFRa(+) cells. This mechanism is also observed in lungs of preterm infants with bronchopulmonary dysplasia, indicating its evolutionary conservation.
Article
Biology
Feng Gao, Changgong Li, Susan M. Smith, Neil Peinado, Golenaz Kohbodi, Evelyn Tran, Yong-Hwee Eddie Loh, Wei Li, Zea Borok, Parviz Minoo
Summary: Lung development is controlled by gene regulatory networks (GRN), and disruption of these networks can cause diseases like BPD. This study used a transgenic mouse model to construct an IGF1 signaling network associated with BPD, providing insights into the regulatory mechanisms. The findings have important implications for understanding and treating BPD, and further research on the full signaling network is needed.
Meeting Abstract
Critical Care Medicine
C. Li, N. Peinado, S. M. Smith, J. Zhou, F. Gao, G. Kohbodi, M. K. Lee, B. Zhou, Z. Borok, Y. Chen, P. Minoo
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE
(2022)
Meeting Abstract
Critical Care Medicine
F. Gao, C. Li, S. Smith, N. Peinado, W. Li, G. Kohbodi, P. Minoo
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE
(2022)
Meeting Abstract
Medicine, General & Internal
G. A. Kohbodiw, F. Gao, C. Li, N. Peinado, R. Ramanathan, P. Minoo
JOURNAL OF INVESTIGATIVE MEDICINE
(2022)
Meeting Abstract
Critical Care Medicine
C. Li, S. Smith, N. Peinado, F. Gao, B. Zhou, Z. Borok, P. Minoo
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE
(2021)
Meeting Abstract
Pediatrics
P. Minoo, F. Gao, A. Rashed, R. Ramanathan
Meeting Abstract
Critical Care Medicine
F. Gao, C. Li, B. Zhou, Z. Borok, S. Bellusci, P. Minoo
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE
(2020)
Meeting Abstract
Critical Care Medicine
C. Li, S. Smith, N. Peinado, F. Gao, B. Zhou, Z. Borok, S. Bellusci, P. Minoo
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE
(2020)
Meeting Abstract
Medicine, General & Internal
A. Rashed, F. Gao, S. Bellusci, R. Ramanathan, P. Minoo
JOURNAL OF INVESTIGATIVE MEDICINE
(2020)
Meeting Abstract
Critical Care Medicine
C. Li, M. K. Lee, F. Gao, S. Webster, H. Di, S. Smith, G. S. Pryhuber, Z. Borok, S. Bellusci, P. Minoo
AMERICAN JOURNAL OF RESPIRATORY AND CRITICAL CARE MEDICINE
(2019)