In recent years,Meloidogyne enterolobii has emerged as a major parasitic nematode infesting many plants in tropical or subtropical areas.However,the regions of potential distribution and the main contributing environm...In recent years,Meloidogyne enterolobii has emerged as a major parasitic nematode infesting many plants in tropical or subtropical areas.However,the regions of potential distribution and the main contributing environmental variables for this nematode are unclear.Under the current climate scenario,we predicted the potential geographic distributions of M.enterolobii worldwide and in China using a Maximum Entropy(MaxEnt)model with the occurrence data of this species.Furthermore,the potential distributions of M.enterolobii were projected under three future climate scenarios(BCC-CSM2-MR,CanESM5 and CNRM-CM6-1)for the periods 2050s and 2090s.Changes in the potential distribution were also predicted under different climate conditions.The results showed that highly suitable regions for M.enterolobii were concentrated in Africa,South America,Asia,and North America between latitudes 30°S to 30°N.Bio16(precipitation of the wettest quarter),bio10(mean temperature of the warmest quarter),and bio11(mean temperature of the coldest quarter)were the variables contributing most in predicting potential distributions of M.enterolobii.In addition,the potential suitable areas for M.enterolobii will shift toward higher latitudes under future climate scenarios.This study provides a theoretical basis for controlling and managing this nematode.展开更多
Primate ecotourism has become an important conservation tool.Based around tourists observing primates in their natural habitat,it can provide multiple benefits(Lebrão et al.2021).Appropriate ecotourism can improv...Primate ecotourism has become an important conservation tool.Based around tourists observing primates in their natural habitat,it can provide multiple benefits(Lebrão et al.2021).Appropriate ecotourism can improve local residents’living conditions and economic level,heighten awareness about animal conservation,and increase funding for the latter(Stronza et al.2019).展开更多
Two new flavonoid glycosides, named viscumneoside XⅡ(1), and viscumneoside XⅢ(2);a new dihydrogen flavonoid glycoside product named viscumneoside XⅣ(3), were isolated from the aerial part of Viscum album, along wit...Two new flavonoid glycosides, named viscumneoside XⅡ(1), and viscumneoside XⅢ(2);a new dihydrogen flavonoid glycoside product named viscumneoside XⅣ(3), were isolated from the aerial part of Viscum album, along with seven known compounds(4-10). Their structures were identified by analysis of spectroscopic data. In addition, cytotoxicity assay showed that 1, 2 and 3 possessed significant inhibitory activities against C6, A549 and MDA-MB-231(the inhibition rate arrived about 50%, 70% and74% respectively with IC50 ≤ 60.00 μmol·L^-1), while the inhibition of TF-1 and Hela was not significant.展开更多
基金supported by the Key R&D Project of Shaanxi Province,China(2020ZDLNY07-06)the Science and Technology Program of Shaanxi Academy of Sciences(2022k-11).
文摘In recent years,Meloidogyne enterolobii has emerged as a major parasitic nematode infesting many plants in tropical or subtropical areas.However,the regions of potential distribution and the main contributing environmental variables for this nematode are unclear.Under the current climate scenario,we predicted the potential geographic distributions of M.enterolobii worldwide and in China using a Maximum Entropy(MaxEnt)model with the occurrence data of this species.Furthermore,the potential distributions of M.enterolobii were projected under three future climate scenarios(BCC-CSM2-MR,CanESM5 and CNRM-CM6-1)for the periods 2050s and 2090s.Changes in the potential distribution were also predicted under different climate conditions.The results showed that highly suitable regions for M.enterolobii were concentrated in Africa,South America,Asia,and North America between latitudes 30°S to 30°N.Bio16(precipitation of the wettest quarter),bio10(mean temperature of the warmest quarter),and bio11(mean temperature of the coldest quarter)were the variables contributing most in predicting potential distributions of M.enterolobii.In addition,the potential suitable areas for M.enterolobii will shift toward higher latitudes under future climate scenarios.This study provides a theoretical basis for controlling and managing this nematode.
基金supported by the Strategic Priority Research Program of the Chinese Academy of Sciences(XDB31020302)the Natural Science Foundation of China(31730104,32000317)+3 种基金The Natural Science Foundation of China(31730104,32000317)changed to“the Natural Science Foundation of China(31730104,32000317,32271564)”“Western Young Scholars”Project of the Chinese Academy of Sciences(XAB2020YW02)Foundation of Shaanxi Academy of Sciences,China(2017K-09,2021k-12,and 2020K-20).
文摘Primate ecotourism has become an important conservation tool.Based around tourists observing primates in their natural habitat,it can provide multiple benefits(Lebrão et al.2021).Appropriate ecotourism can improve local residents’living conditions and economic level,heighten awareness about animal conservation,and increase funding for the latter(Stronza et al.2019).
基金supported by the National Science and Technology Development Fund(No.2009ZX09301-007)the Scientific Research Projects of Shannxi Academy of Sciences(No.2016K-17)+4 种基金the Projects of Shaanxi Provincial Science and Technology Department(No.2016SF-264)Special Fund for Agro-scientific Research in The Public Interest(Grant 389,No.201203062)Support Plan for Young 392 Talents of Science and Technology Association of Colleges and Universities in Shaanxi Province 393(No.20150105)Key Research and Development Plan Project of Shaanxi Province(No.2018SF-034)Scientific Research from Shaanxi Provincial Department of Education(Nos.14JS100 and 17JK0243)
文摘Two new flavonoid glycosides, named viscumneoside XⅡ(1), and viscumneoside XⅢ(2);a new dihydrogen flavonoid glycoside product named viscumneoside XⅣ(3), were isolated from the aerial part of Viscum album, along with seven known compounds(4-10). Their structures were identified by analysis of spectroscopic data. In addition, cytotoxicity assay showed that 1, 2 and 3 possessed significant inhibitory activities against C6, A549 and MDA-MB-231(the inhibition rate arrived about 50%, 70% and74% respectively with IC50 ≤ 60.00 μmol·L^-1), while the inhibition of TF-1 and Hela was not significant.