Yiwuwa ga allergies? Zai yiwu laifi na your Nearnderthal genes

Idan kuka nĩsanci daji furanni, 'ya'yan itatuwa Citrus, cakulan ko kwayoyi saboda rashin lafiyan halayen, sa'an nan zargi da Nearnderthal kakanninsa, ko kuma wajen, su genes.

Inda muke da Nearnderthal genes?

An sani cewa kwatanta da cro-Magnons denisovtsy (magabatan zamani mutane) - suna uku daban-daban jinsunan. To, ta yaya yau, wasu mutane sun bayyana a zama ko dai Nearnderthal ko Denisovskoe genes?

Gwamuwar wadannan jinsuna daban da aka musamman short-rayu, amma har yanzu isa ya zauna tare a wannan yankuna. Bugu da kari zuwa yaƙe-yaƙe da rikice-rikice na sirri hali na gauraye aure, da kuma ya'yan da aka haifa ba su kasance hybrids - da yan dako na genome a matsayin daya, da sauransu. Bayan isowa daga cro-magnon da Nearnderthal Denisovskoe mutane nan da sannu zã bace daga fuskar duniya, da barin zamani mutum zuwa 4% na su da kwayoyin halittu.

Wace dangantaka mun gaji da kwayoyin halittu domin allergies?

Alerji - a dauki na rigakafi da tsarin to samuwar kasashe. Idan kana da allergies, shi ba ya nufin cewa kana da rauni na rigakafi da tsarin, m akasin haka. Wannan kananan kashi na genome, ku gaji daga Nearnderthal m, ma yi rigakafi da tsarin ne sosai vigilant da kuma gaggawar zuwa tashin hankali. Saboda haka, shi ke ba kawai da ƙwayoyin cuta da cututtuka, amma kuma kadan matsala kamar pollen da poplar fluff.

Kowane mutum na da Caucasian tseren, gada daga 1 zuwa 6% na genome na Nearnderthal kakanninsu. Me ya sa ake ba wani rashin lafiyan dauki a duk? Binciken burbushin da kuma jinsi sun nuna cewa yayi kama dana Neanderthal rigakafi martani da aka ɓullo da yawa fiye da yadda cro-Magnons. Nearnderthal genes gaji zamani mutane, mafi muhimmanci sakamako a kan Toll-kamar rabe, wanda sarrafa m rigakafi da kuma tsarin da jiki ta salula mayar da martani ga samuwar kasashe. Haka kuma, mafi girma da yawan gaji genome, da girma samu damar na rashin lafiyan halayen.

Modern kayyade bincike

A kwanan nan edition na American Journal of Human Genetics, biyu m da alaqa da juna karatu sun zo guda ƙarshe: da Nearnderthal da Denisovskoe genes mafi karfi bayyana a cikin rigakafi da tsarin.

Dr. Michael Dannemann an karatu da Legacy of dadaddun abubuwa na mutum DNA. Ya zo ga ƙarshe cewa Toll-kamar rabe aka fi fama da allele na genome na kwatanta. Bisa ga bincike, 11 to 51% na mutanen da suka ba su kasance a cikin Afirka tseren, da a kalla daya allele na Nearnderthal. The girma na yawan dabam dangane adam.

A na biyu binciken gudanar Dr. Luis Quintana-Mursi. Nazarin Toll-kamar rabe ne kawai na daga cikin aikin, da nufin - to la'akari da juyin halittar kwayoyin halittu da alhakin mutum rigakafi da tsarin. A cewar shi, mafi yawansu duk, mu na rigakafi da tsarin ya halartar canje-canje a cikin past shekaru 13,000 - a lokacin da mutane hankali canja hanyar abinci, motsi daga farauta da tara, ga harkokin noma da kuma dabbobi husbandry.