For the use of green hydrogen energy,it is crucial to have efficient photocatalytic activity for hydrogen generation by water reforming of methanol under mild conditions.Much attention has been paid to gC_(3)N_(4)as a...For the use of green hydrogen energy,it is crucial to have efficient photocatalytic activity for hydrogen generation by water reforming of methanol under mild conditions.Much attention has been paid to gC_(3)N_(4)as a promising photocatalyst for the generation of hydrogen.To improve the separation of photogenerated charge,porous nanosheet g-C_(3)N_(4)was modified with Pt nanoclusters(Pt/g-C_(3)N_(4))through impregnation and following photo-induced reduction.This catalyst showed excellent photocatalytic activity of water reforming of methanol fo r hydrogen production with a 17.12 mmol·g^(-1)·h^(-1)rate at room temperature,which was 311 times higher than that of the unmodified g-C_(3)N_(4).The strong interactions of Pt-N in Pt/g-C_(3)N_(4)constructed effective electron transfer channels to promote the separation of photogenerated electrons and holes effectively.In addition,in-situ infrared spectroscopy was used to investigate the intermediates of the hydrogen production reaction,which proved that methanol and water eventually turn into H_(2)and CO_(2)via formaldehyde and formate.This study provides insights for understanding the photocatalytic hydrogen production in the water reforming of methanol.展开更多
The Qinghai-Xizang Plateau(Q-X Plateau)is a critical ecological region,and often referred to as the“Asia Water Tower”due to its role in sustaining major river systems.Its unique environment fosters a rich fungal div...The Qinghai-Xizang Plateau(Q-X Plateau)is a critical ecological region,and often referred to as the“Asia Water Tower”due to its role in sustaining major river systems.Its unique environment fosters a rich fungal diversity,including freshwater ascomycetes,which thrive on submerged plant substrates in freshwater habitats and play key roles in nutrient cycling and ecosystem functioning.To systematically report fungal species in this region,we have initiated a series on the fungi of Q-X Plateau.This is the second contribution in this series,focusing on lignicolous freshwater ascomycetes,in which 84 taxa distributed in three classes,26 orders,37 families and 53 genera are described and illustrated.Taxa include three new families,five new genera,42 new species,and 12 new geographical distribution reports.Three new families are Acronigrasporaceae(Natipusillales),Longirostraceae(Pleosporales)and Xizangmycetaceae(Pisorisporiales);new genera are Acronigraspora(Acronigrasporaceae,Natipusillales),Catenatimuriformis(Phaeoseptaceae,Pleosporales),Hyaloambispora(Microthyriaceae,Microthyriales)Longirostrum(Longirostraceae,Pleosporales),and Xizangmyces(Xizangmycetaceae,Pisorisporiales);new species comprise Acrodictys altitudinalisa,Acrogenospora alticampestriicola,Acronigraspora subsphaerica,Acronigraspora zhuomulariensis,Aurantiascoma xinjiangensis,Brachiosphaera radiaticonidiosa,Brachysporium nielamuense,Catenatimuriformis sporodochialis,Chaetopsina motuoensis,Chaetosphaeria aseptata,Chloridiopsiella septate,Cladophialophora kaiduensis,Conioscypha breviconiophora,Conioscypha motuoensis,Conioscypha subglobosa,Cordana reniformis,Dematiosporium dictyosporum,Dematiosporium phaeohyphum,Gamsomyces namco,Gohteikhimyces dulongjiangensis,Hongkongmyces fusiformis,Hyaloambispora drungiorum,Hyaloambispora reniformis,Junewangia chenyue,Kirschsteiniothelia mucosa,Lentistoma motuoense,Longirostrum aquaticum,Neohelicosporium xinjiangense,Pleurotheciella bambusisiliquosa,Pseudoascotaiwania aquatica,Pseudostanjehughesia nielamuensis,Savoryella daemonocula,Spadicoides hydei,Sporidesmiella yadongensis,Sporidesmium bostenicum,Sporidesmium mucilaginosum,Sporidesmium napaense,Sporoschisma hyalomucilaginosum,Thysanorea hyaloconidia,Wiesneriomyces aquaticus,Xizangmyces aquaticus and Xylolentia subhyalina;new geographical records are Bactrodesmiastrum pyriforme,Bactrodesmium diversum,Bactrodesmium obovatum,Cordana crassa,Halosphaeriopsis mediosetigera,Jennwenomyces navicularis,Pleurothecium recurvatum,Ramophialophora vesiculosa,Scedosporium minutisporum,Sterigmatobotrys macrocarpus,Vanakripa mucosa,Vargamyces aquaticus.The morphological and phylogenetic evidences are used to support the establishment of these new taxa and the accuracy of their taxonomic placements.展开更多
The Qinghai-Xizang Plateau(abbreviated as Q-X Plateau)is the world’s highest plateau,characterized by a Holarctic flora.The plateau and its surrounding mountainous areas cover two of the 34 world’s biodiversity hots...The Qinghai-Xizang Plateau(abbreviated as Q-X Plateau)is the world’s highest plateau,characterized by a Holarctic flora.The plateau and its surrounding mountainous areas cover two of the 34 world’s biodiversity hotspots.Former studies have shown that the diversity of fungal species on the plateau,especially that in the east-southeastern part,is remarkably high.In 2017,the Chinese government initiated the second scientific expedition to the Q-X Plateau.Supported by this comprehensive project,we conducted intensive fungal sampling on the Q-X Plateau and its surrounding areas,including the middle and southern parts of the Gaoligong Mountains,the Ailao Mountains,and the Yunnan-Guizhou Plateau.Ninety-two new and notable species of Basidiomycota are reported in this paper,based on 501 specimens and 1706 newly generated DNA sequences.These taxa involve 37 genera of seven orders,i.e.,Agaricales,Auriculariales,Boletales,Cantharellales,Phallales,Polyporales,and Russulales,covering both Heterobasidiomycetes and Homobasidiomycetes.One new section,64 new species,one new subspecies,two new varieties,one new combination,five new synonyms,and 11 new records to China,were documented.Ectomycorrhizal fungi account for two-thirds of the species,while the remaining ones are saprotrophic.Most specimens studied are from altitudes 2000-3700 m,in broad-leaved fagaceous forests,mixed forests with pines and fagaceous trees,and subalpine coniferous forests.Among the 92 species documented,30 species are exclusive to the subalpine region,and 12 species cover both the subalpine and subtropical zones.Most of these subalpine species are either formerly described temperate species or close relatives of north temperate taxa,which suggests a strong temperate affinity of the funga on the Q-X Plateau.In obvious contrast to the subalpine elements,species from the adjacent subtropical zone often sit on long branches with an isolated position or have a close relationship with species from other subtropical and tropical parts of the world.In the surrounding areas with lower altitude of the Q-X Plateau,the endemic species apparently have evolved for a longer time,some relict species found their refuge,and the funga received more immigrants from the tropics.By comparing the species reported from the western Himalayas,through the Hengduan Mountains and central China to Taiwan Island,we found that altitude matters more than geographical distance in the development of the funga.The sharp altitude gradient on the Q-X Plateau and its surrounding mountains acts as a biodiversity hotspot to further test such speculation.In future studies,more efforts should be focused on other representative groups(Gomphalales,Hymenochaetales,Thelephorales,and Tremellales)and on the southern slope of the western Himalayas and the Pamir-Kunlun regions.展开更多
基金supported by the National Natural Science Foundation of China(51672081)the Program of Tri-three Talents Project of Hebei Province(China,A202110002)+1 种基金the Young Top Talents Fund Program of Higher Education Institutions of Heibei Province(BJ2020009)the Project of Science and Technology Innovation Team,Tangshan(20130203D)。
文摘For the use of green hydrogen energy,it is crucial to have efficient photocatalytic activity for hydrogen generation by water reforming of methanol under mild conditions.Much attention has been paid to gC_(3)N_(4)as a promising photocatalyst for the generation of hydrogen.To improve the separation of photogenerated charge,porous nanosheet g-C_(3)N_(4)was modified with Pt nanoclusters(Pt/g-C_(3)N_(4))through impregnation and following photo-induced reduction.This catalyst showed excellent photocatalytic activity of water reforming of methanol fo r hydrogen production with a 17.12 mmol·g^(-1)·h^(-1)rate at room temperature,which was 311 times higher than that of the unmodified g-C_(3)N_(4).The strong interactions of Pt-N in Pt/g-C_(3)N_(4)constructed effective electron transfer channels to promote the separation of photogenerated electrons and holes effectively.In addition,in-situ infrared spectroscopy was used to investigate the intermediates of the hydrogen production reaction,which proved that methanol and water eventually turn into H_(2)and CO_(2)via formaldehyde and formate.This study provides insights for understanding the photocatalytic hydrogen production in the water reforming of methanol.
基金funded by the Second Tibetan Plateau Scientific Expedition and Research Program(No.SQ2024QZKK0603,2019QZKK0503)the Yunnan Revitalization Talent Support Program:Science&Technology Champion Project(202305AB350004)+7 种基金the Joint Funds of the National Natural Science Foundation of China and Yunnan Provincial Government(U2202205)the Major science and technology projects and key R&D plans/programs,Yunnan Province(202202AE090001)the Yunnan Ten-Thousand-Talents Plan-Yunling Scholar Project(YNWR-YLXZ-2018-011)the Yunnan Innovation and Talent Training Project for Technology Majors(202405AD350054)the Survey of Wildlife Resources in Key Areas of Xizang(Phase II)(ZL202303601)the Chinese Academy of Sciences Key Technical Talents(2021-5-E12671)the Chinese Research Fund,grant number E1644111K1,titled Flexible introduction of the high-level expert program,Kunming Institute of Botany,Chinese Academy of SciencesK.D.Hyde and F.Al-Otibi extend their appreciation to the ongoing Research Funding Program(ORF-2025-114),King Saud University,Riyadh,Saudi Arabia.
文摘The Qinghai-Xizang Plateau(Q-X Plateau)is a critical ecological region,and often referred to as the“Asia Water Tower”due to its role in sustaining major river systems.Its unique environment fosters a rich fungal diversity,including freshwater ascomycetes,which thrive on submerged plant substrates in freshwater habitats and play key roles in nutrient cycling and ecosystem functioning.To systematically report fungal species in this region,we have initiated a series on the fungi of Q-X Plateau.This is the second contribution in this series,focusing on lignicolous freshwater ascomycetes,in which 84 taxa distributed in three classes,26 orders,37 families and 53 genera are described and illustrated.Taxa include three new families,five new genera,42 new species,and 12 new geographical distribution reports.Three new families are Acronigrasporaceae(Natipusillales),Longirostraceae(Pleosporales)and Xizangmycetaceae(Pisorisporiales);new genera are Acronigraspora(Acronigrasporaceae,Natipusillales),Catenatimuriformis(Phaeoseptaceae,Pleosporales),Hyaloambispora(Microthyriaceae,Microthyriales)Longirostrum(Longirostraceae,Pleosporales),and Xizangmyces(Xizangmycetaceae,Pisorisporiales);new species comprise Acrodictys altitudinalisa,Acrogenospora alticampestriicola,Acronigraspora subsphaerica,Acronigraspora zhuomulariensis,Aurantiascoma xinjiangensis,Brachiosphaera radiaticonidiosa,Brachysporium nielamuense,Catenatimuriformis sporodochialis,Chaetopsina motuoensis,Chaetosphaeria aseptata,Chloridiopsiella septate,Cladophialophora kaiduensis,Conioscypha breviconiophora,Conioscypha motuoensis,Conioscypha subglobosa,Cordana reniformis,Dematiosporium dictyosporum,Dematiosporium phaeohyphum,Gamsomyces namco,Gohteikhimyces dulongjiangensis,Hongkongmyces fusiformis,Hyaloambispora drungiorum,Hyaloambispora reniformis,Junewangia chenyue,Kirschsteiniothelia mucosa,Lentistoma motuoense,Longirostrum aquaticum,Neohelicosporium xinjiangense,Pleurotheciella bambusisiliquosa,Pseudoascotaiwania aquatica,Pseudostanjehughesia nielamuensis,Savoryella daemonocula,Spadicoides hydei,Sporidesmiella yadongensis,Sporidesmium bostenicum,Sporidesmium mucilaginosum,Sporidesmium napaense,Sporoschisma hyalomucilaginosum,Thysanorea hyaloconidia,Wiesneriomyces aquaticus,Xizangmyces aquaticus and Xylolentia subhyalina;new geographical records are Bactrodesmiastrum pyriforme,Bactrodesmium diversum,Bactrodesmium obovatum,Cordana crassa,Halosphaeriopsis mediosetigera,Jennwenomyces navicularis,Pleurothecium recurvatum,Ramophialophora vesiculosa,Scedosporium minutisporum,Sterigmatobotrys macrocarpus,Vanakripa mucosa,Vargamyces aquaticus.The morphological and phylogenetic evidences are used to support the establishment of these new taxa and the accuracy of their taxonomic placements.
基金funded by the Second Tibetan Plateau Scientific Expedition and Research Program(No.2024QZKK02010303)the Second Qinghai-Tibet Plateau Scientific Expedition and Research(STEP)Program(No.2019QZKK0503)+13 种基金the Major science and technology projects and key R&D plans/programs,Yunnan Province(No.202202AE090001)the Innovation Guidance and Technology-Based Enterprise Cultivation Program of Yunnan Province Science and Technology Department(No.202504BI090008)to QZthe Joint Funds of the National Natural Science Foundation of China and Yunnan Provincial Government(No.U2202205)the Yunnan Revitalization Talent Support Program:Science&Technology Champion Project(No.202305AB350004)to ZLYNational Natural Science Foundation of China(Nos.32170022,30970020,31093440,31770031)the Biodiversity Survey and Assessment Project(No.2019HJ2096001006)“Investigation of Macrofungi of Maguan County”issued by Ministry of Ecology and Environment of the People’s Republic of China to XHWthe National Natural Science Foundation of China(No.32270025)CAS“Light of West China”Program,Natural Science Foundation of Yunnan Province for Excellent Young Scholars(No.202301AW070011)Biological Resources Programme,CAS(No.CAS-TAX-24-063)Natural Science Foundation of Yunnan Province(No.202201AT070128)Yunnan Revitalization Talent Support Program‘Young Talent’Project(No.YNWRQNBJ-2018-266)to GWNational Natural Science Foundation of China(No.31970023)to QCthe Postdoctoral Fellowship Program of CPSF(No.GZB20240769)to FMY.
文摘The Qinghai-Xizang Plateau(abbreviated as Q-X Plateau)is the world’s highest plateau,characterized by a Holarctic flora.The plateau and its surrounding mountainous areas cover two of the 34 world’s biodiversity hotspots.Former studies have shown that the diversity of fungal species on the plateau,especially that in the east-southeastern part,is remarkably high.In 2017,the Chinese government initiated the second scientific expedition to the Q-X Plateau.Supported by this comprehensive project,we conducted intensive fungal sampling on the Q-X Plateau and its surrounding areas,including the middle and southern parts of the Gaoligong Mountains,the Ailao Mountains,and the Yunnan-Guizhou Plateau.Ninety-two new and notable species of Basidiomycota are reported in this paper,based on 501 specimens and 1706 newly generated DNA sequences.These taxa involve 37 genera of seven orders,i.e.,Agaricales,Auriculariales,Boletales,Cantharellales,Phallales,Polyporales,and Russulales,covering both Heterobasidiomycetes and Homobasidiomycetes.One new section,64 new species,one new subspecies,two new varieties,one new combination,five new synonyms,and 11 new records to China,were documented.Ectomycorrhizal fungi account for two-thirds of the species,while the remaining ones are saprotrophic.Most specimens studied are from altitudes 2000-3700 m,in broad-leaved fagaceous forests,mixed forests with pines and fagaceous trees,and subalpine coniferous forests.Among the 92 species documented,30 species are exclusive to the subalpine region,and 12 species cover both the subalpine and subtropical zones.Most of these subalpine species are either formerly described temperate species or close relatives of north temperate taxa,which suggests a strong temperate affinity of the funga on the Q-X Plateau.In obvious contrast to the subalpine elements,species from the adjacent subtropical zone often sit on long branches with an isolated position or have a close relationship with species from other subtropical and tropical parts of the world.In the surrounding areas with lower altitude of the Q-X Plateau,the endemic species apparently have evolved for a longer time,some relict species found their refuge,and the funga received more immigrants from the tropics.By comparing the species reported from the western Himalayas,through the Hengduan Mountains and central China to Taiwan Island,we found that altitude matters more than geographical distance in the development of the funga.The sharp altitude gradient on the Q-X Plateau and its surrounding mountains acts as a biodiversity hotspot to further test such speculation.In future studies,more efforts should be focused on other representative groups(Gomphalales,Hymenochaetales,Thelephorales,and Tremellales)and on the southern slope of the western Himalayas and the Pamir-Kunlun regions.