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Depositional Responses to the Mongol-Okhotsk Ocean Closure in the Central Area of the Great Xing’an Range: Insights into Thrust Faults and Foreland Basins
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作者 Zheren Zhao Shichao Li Lingyu Zhang 《Journal of Earth Science》 SCIE CAS CSCD 2024年第3期797-811,共15页
The Mongol-Okhotsk Ocean,which has been closing gradually from the west to the east beginning since the Late Paleozoic,was an important part of the Central Asian Orogenic Belt.It influenced the tectonic framework of N... The Mongol-Okhotsk Ocean,which has been closing gradually from the west to the east beginning since the Late Paleozoic,was an important part of the Central Asian Orogenic Belt.It influenced the tectonic framework of Northeast Asia in the Mesozoic,especially the Late Mesozoic arc-basin system that is widely distributed in the Great Xing’an Range.However,the manner in which the Mongol-Okhotsk Ocean affected the sedimentary basin development remains poorly understood.To address this issue,we conducted U-Pb dating of detrital zircon deposited sedimentary basins of the central Great Xing’an Range.By examining the possible provenances of the detrital zircon and the structural controls of the basins,we found that a key sedimentary unit was deposited around Late Jurassic-Early Cretaceous.Its provenance was a felsic source in a back-arc setting of an active continental margin.The findings also suggest the existence of a unified geodynamic setting that affected the coeval development of basins in the northern Great Xing’an Range and the Yanshan fold-thrust belt along the northern margin of North China Craton.This research helps to better understand the complex tectonic processes which shaped the Northeast Asia during the Late Mesozoic. 展开更多
关键词 Mongol-Okhotsk tectonic domain depositional responses Murui Formation ZIRCON GEOCHEMISTRY tectonics.
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Depositional Responding to Tectonic Evolution of East China Sea Shelf Basin 被引量:1
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作者 Lu Yongchao Wu Fadong Xie Xinong Chen PingFaculty of Earth Resources, China University of Geosciences, Wuhan 430074 Zhou Ping Li Peilian Xu WeilingShanghai Institute of Offshore Petroleum Exploration and Development, MGMR, Shanghai 200120 《Journal of Earth Science》 SCIE CAS CSCD 1997年第1期56-61,共6页
? The East China Sea Shelf basin is a large marginal rift basin occurred in backarc area of west Pacific. Three main regional unconformities and eleven sequence boundary isochronous surfaces (hiatuses) were develope... ? The East China Sea Shelf basin is a large marginal rift basin occurred in backarc area of west Pacific. Three main regional unconformities and eleven sequence boundary isochronous surfaces (hiatuses) were developed within the basin filling, which are separared the fill succession into three tectonic sequences and fourteen sequences. The depositional response of every tectonic sequence indicates the different phases in the evolution of basin and a specific filling process or filling pattern. 展开更多
关键词 East China Sea Shelf basin sequence stratigraphy depositional response.
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Identification of novel cis-elements bound by BplMYB46 involved in abiotic stress responses and secondary wall deposition 被引量:7
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作者 Huiyan Guo Liuqiang Wang +3 位作者 Chuanping Yang Yiming Zhang Chunrui Zhang Chao Wang 《Journal of Integrative Plant Biology》 SCIE CAS CSCD 2018年第10期1000-1014,共15页
Transcription factors (TFs) play vital roles in various biological processes by binding to cis-acting elements to control expressions of their target genes. The MYB TF BplMYB46, from Betula platyphylla, is involved ... Transcription factors (TFs) play vital roles in various biological processes by binding to cis-acting elements to control expressions of their target genes. The MYB TF BplMYB46, from Betula platyphylla, is involved in abiotic stress responses and secondary wall deposition. In the present study, we used a TF-centered yeast onehybrid technology (TF-centered YIH) to identify the cis- acting elements bound by BplMYB46. We screened a shortinsert random library and identified three cis-elements bound by BplMYB46: an E-box (CA(A/T/C)(A/G/C)TG) and two novel motifs, a TO-box (T(GIA)TCG(C/G)) and a GT-box (A(G/T)T(AIC)GT(T/G)C). Chromatin immunoprecipitation (CHIP) and effector-reporter coexpression assays inNicotiana tabacum confirmed binding of BplMYB46 to the TC-box, GT-box, and E-box motifs in the promoters of the phenylalanine ammonia lyase (PAL), peroxidase (POD), and superoxide dismutase (SOD) genes, which function in abiotic stress tolerance and secondary wall biosynthesis. This finding improves our understanding of potential regulatory mechanisms in the response to abiotic stress and secondary wall deposition of BplMYB46 in B. platyphylla. 展开更多
关键词 POD SOD Identification of novel cis-elements bound by BplMYB46 involved in abiotic stress responses and secondary wall deposition cis TCG GUS Figure
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