{"id":"508b4b8e-8cbd-4622-9908-ee2e5d57dd28","title":"白石崖溶洞遗址沉积物古DNA数据","title_en":"Sedimentary ancient DNA data  from baishiya Karst Cave","serial":"","user_limit":"为尊重知识产权、保障数据作者的权益、扩展数据中心的服务、评估数据的应用潜力，请数据使用者在使用数据所产生的研究成果中（包括公开发表的论文、论著、数据产品和未公开发表的研究报告、数据产品等成果），明确注明数据来源和数据作者。对于转载（二次或多次发布）的数据，作者还须注明原始数据来源。","instructions":"Sedimentary ancient DNA data_Baishiya Karst Cave_ZhangDJ/FuQM","description":"沉积物古DNA是散布于古环境样品中的生物古DNA，不同于直接从古代动物骨骼、植物遗存内提取的古DNA， 古环境DNA主要是从冰川、 冻土、 湖泊沉物、 泥炭沉积物、 遗址文化层、 牙结石、 粪便化石等环境样品中提取得到的混合了多物种的古DNA。 这些DNA随着生物的遗留物质（ 包括： 遗体、 毛发、 粪便和尿液等） 进入环境， 在环境中迅速降解， 缓慢变性， 最终吸附在矿物等颗粒上或者被微生物整合到自身基因组上而长期保存， 进而形成了古环境DNA。沉积物DNA是一种新兴的古DNA分析技术，考古遗址沉积物可追踪相关遗址DNA保存状况及可能存在的人类，弥补了人类化石一般可遇而不可求的缺憾，极大的扩大了研究对象，打开了研究旧石器考古遗址人群演化的新窗口。对发现夏河人下颌骨的白石崖溶洞遗址地层沉积物古DNA进行系统取样和分析。","doi":"10.1126/science.abb6320","projection":"","language":"zh","share_type":"online","east":102.5703639,"west":102.5703639,"south":35.44845556,"north":35.44845556,"scale":null,"crs":null,"filesize":0.04,"share_policy":"a","ts_created":"2021-09-24T22:21:30.441344+08:00","doi_type":"沿用数据已有DOI","ts_updated":"2021-09-27T16:02:48.873685+08:00","time_description":"16万年以来","datas_group":3,"time_description_en":"Since 160000 years","data_format":null,"project":[11],"specials":[],"cite":null,"review_status":5,"review_invite":[{"user_name":"张东菊","username":"zhangdj","email":"djzhang@lzu.edu.cn","is_cancel_expert":false},{"user_name":"杨晓燕","username":"杨晓燕","email":"xyang@itpcas.ac.cn","is_cancel_expert":false}],"review_editor":{"id":42421,"last_login":"2022-04-08T15:16:51.670544+08:00","username":"任慧霞","email":"510727846@qq.com","is_active":true,"is_staff":true,"user_name":"任慧霞"},"data_sources":null,"temporal_resolution":"1000 year < x","spatial_resolution":"1m - 10m","license":"Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)","fund":[21],"subtopics":{"metadata":"508b4b8e-8cbd-4622-9908-ee2e5d57dd28","three_pole":null,"third_pole":null},"username":"谢海超","review_time":null,"protected_duration":null,"protected_describe":null,"is_important":false,"hit_count":267}