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一 | A new study conducted by researchers from Technion – Israel Institute of Technology along with their colleagues from Uruguay, Switzerland, Sweden, France, Britain and Argentina suggests that mechanisms responsible for sexual reproduction may have emerged about a billion years before sexual reproduction itself became a thing, according to Haaretz.,In their study published in Nature Communications last month, the researchers note how fusion proteins similar to those found in eukaryotes and some viruses, and akin to those that fuse sperm and egg cells together, appear similar in structure to a fusion protein called Fusexin1 found in some single-celled organisms known as archaea.,Furthermore, the team managed to confirm via an experiment with hamster cells that the archaean fusion proteins can be used to fuse eukaryotic cells, just like the fusion proteins found in eukaryotes.,Science & TechHere's How Ancient Proteins Might Help Find Alien Life18 July, 16:41 GMT,While it isn’t exactly clear what use fusion proteins would have to single-cellular organisms millions of years before sexual reproduction on planet Earth started, the newspaper points out how archaea could exchange genes with other archaea or even bacteria via membrane fusion.。 为有效预防森林火灾，保护森林资源和人民群众生命财产安全，连日来，南票区虹螺岘镇积极行动，多措并举开展森林防火工作，全力守护绿水青山。 该镇扎实部署防火工作，制定详细应急预案，明确各村防火责任，形成“镇干部包村、村干部包组、护林员包山头地块”的三级包保责任制，确保防火责任层层压实。通过“线上+线下”相结合的宣传模式，全方位普及森林防火知识。利用各村微信群推送森林防火知识、典型火灾案例等内容，增强村民防火意识。组织流动宣传车在各村主干道及林区周边循环播放防火通告、森林防火法律法规、野外用火安全知识等内容，在村组路口、林区入口等重点区域悬挂森林防火宣传横幅，营造浓厚的防火氛围。 组建由镇村干部、护林员组成的森林防火巡查队伍15支，设置防火检查卡点30余个，对重点区域和进出林区的人员和车辆进行严格检查，从源头消除火灾“隐患点”。
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