Rahoton daga Washington Post dalla-dalla wani gagarumin binciken da masana kimiyya suka yi: an adana wata mata da ba a iya gani ba a cikin yankin Siberian permafrost na tsawon shekaru 46,000, kuma lokacin da suka farfado, halittar ta fara haifuwa ta hanyar parthenogenesis - tsari wanda baya buƙatar abokin aure.
The Jami'ar Hawai'i a Manoa's sanarwar manema labarai ta tattauna wata kwayar halitta da ke cikin dogon hutu da ake kira cryptobiosis na dubban shekaru. Wannan jihar, wanda za'a iya dorewa na dogon lokaci, yana dakatar da duk matakai na rayuwa, ciki har da haifuwa, haɓakawa, da gyarawa.
a cikin Jaridar PLOS Genetics wanda aka buga a ranar Alhamis, masu bincike sun gano wani sabon nau'in tsutsotsi dangane da jerin kwayoyin halittarsu. Sun bayyana cewa a baya ba a tantance tsutsar ba.
Kwanan nan ne ya ruwaito ta Kimiyya ta Rayuwa nematodes kamar Plectus murrayi da kuma Tylenchus polyhypnus An sake farfado da shi daga gansakuka da samfuran herbarium bayan ƴan shekarun da suka gabata. Sabon nau'in, Panagrolaimus kolymaensis, duk da haka, ya kasance cikin kwanciyar hankali na dubban shekaru.
Holly Bik, masanin ilimin halittu mai zurfi na teku, ya yi imanin cewa ana iya samun miliyoyin nau'ikan tsutsotsi na nematode a wurare daban-daban, kamar ramukan teku, tundras, hamada, da ƙasa mai aman wuta. Duk da haka, daga cikin waɗannan, nau'ikan ruwa 5,000 ne kawai masu bincike suka rubuta.
Crow, masanin ilimin dabbobi daga Jami'ar Florida wanda ba shi da alaƙa da binciken, ya ba da shawara ga Post cewa wannan tsutsa na iya zama nau'in da ta ɓace a cikin shekaru 50,000 da suka wuce.
Crow yayi sharhi cewa yana yiwuwa nematode shine wanda har yanzu ba a bayyana shi ba, kamar yadda ake ci karo da shi akai-akai.
Masana kimiyya sun dade suna sane da cewa kananan halittu, kamar wanda aka yi nazari, suna da karfin da za su daina ayyukansu domin su jure ko da matsananciyar yanayi, don haka ba a yi mamakin yadda tsutsotsi ke rayuwa a tsawon wadannan shekarun ba, kamar yadda aka bayyana. a cikin sanarwar manema labarai.
The PLOS Genetics takarda Ƙarshen cewa nematodes suna da damar da za su iya ba su damar rayuwa na tsawon lokaci na yanayin ƙasa.
