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Âíèç ⇊

ÍÎÂÎÑÒÈ ãåíîãåîãðàôèè, ïîïóëÿöèîííîé ãåíåòèêè, àðõåîëîãèè

èç ÑÌÈ

Òåìû: ← Ïðåäûäóùàÿ   Ñëåäóþùàÿ →Ñòðàíèöû: ← Íàçàä 1 2 3 4 5 ... 8 9 10 11 12  * 13 14 15 16 ... 72 73 74 75 76 77 Âïåðåä →
Ìîäåðàòîðû: Lesla, Andrey Maslennikov
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All Europeans are related if you go back just 1,000 years, scientists say

Peter Ralph (USC) / Graham Coop (UC Davis)

A modern-day person living in Britain shares ancestors with people across Europe. These maps show where the distant cousins of modern-day people in Britain live, at three different levels of relatedness (recent on top, older on the bottom). Bigger circles mean more ancestors. The further back in time, the more widespread the shared ancestors.
By Alan Boyle, Science Editor, NBC News

A genetic survey concludes that all Europeans living today are related to the same set of ancestors who lived 1,000 years ago. And you wouldn't have to go back much further to find that everyone in the world is related to each other.

"We find it remarkable because it's counterintuitive to us," Graham Coop, an evolutionary biologist at the University of California at Davis, told NBC News. "But it's not totally unexpected, based on genetic analysis."

http://cosmiclog.nbcnews.com/_...s-say?lite

http://www.plosbiology.org/art...io.1001555
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Ýòíîãåíåç êàçàõîâ ñ òî÷êè çðåíèÿ ïîïóëÿöèîííîé ãåíåòèêè
Æàêñûëûê Ìóðàòîâè÷ Ñàáèòîâ

Abstract

Ïðîâåä¸í àíàëèç ýòíîãåíåçà êàçàõîâ ñ ó÷¸òîì èñòîðè÷åñêèõ äàííûõ, ðîäîïëåìåííîãî ñîñòàâà, ÷èñëåííîñòè, äàííûõ ïîïóëÿöèîííîé ãåíåòèêè (äàííûå ïî Y-õðîìîñîìå). Ãåíåòè÷åñêèå àíàëèçû ïîäòâåðæäàþò äîñòîâåðíîñòü øåæèðå (óñòíûå êàçàõñêèå ãåíåàëîãèè). Íà îñíîâå äàííûõ ïîïóëÿöèîííîé ãåíåòèêè è øåæèðå ìû ìîæåì óòâåðæäàòü, ÷òî êàçàõñêèé ýòíîñ íà 70-90% ñîñòîèò èç ãåíåòè÷åñêèõ ïîòîìêîâ ïî ìóæñêîé ëèíèè, îáùèõ ïðåäêîâ, æèâøèõ â ýïîõó Çîëîòîé Îðäû. Êàçàõñêèå ðîäà ÿâëÿþòñÿ ïðååìíèêàìè íåêîòîðîãî êîëè÷åñòâà çîëîòîîðäûíñêèõ ýìèðîâ, êîòîðûå, ïî øåæèðå, ÿâëÿþòñÿ èõ ïðåäêàìè. Ïðîâåä¸ííûé àíàëèç ïîçâîëèë âûäåëèòü ÷åòûðå ýòàïà ôîðìèðîâàíèÿ êàçàõñêîãî íàðîäà.

http://rjgg.org/index.php/RJGGRE/article/view/129
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Äíåâíèê http://forum.vgd.ru/931/
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Ðàçãàäàíà òàéíà ãèáåëè Ðèìñêîé èìïåðèè.

×óìà, êîòîðàÿ ðàñïðîñòðàíèëàñü ïî âñåìó ìèðó â ñåðåäèíå XIX â., çà íåñêîëüêî ñòîëåòèé äî ýòîãî áóøåâàëà íà òåððèòîðèè Ðèìñêîé èìïåðèè è ìîãëà ñïðîâîöèðîâàòü åå çàêàò. Ê òàêîìó âûâîäó ïðèøëè ó÷åíûå, èññëåäîâàâ ÄÍÊ ñêåëåòîâ æåðòâ ýòîãî çàáîëåâàíèÿ.

Ñïåöèàëèñòû óâåðåíû, ÷òî áàêòåðèÿ Yersinia Pestis, âûçâàâøàÿ áîëåçíü, èçâåñòíóþ êàê "÷åðíàÿ ñìåðòü", â VI â. í.ý. ïîãóáèëà îêîëî 100 ìèëëèîíîâ ÷åëîâåê. Ïî ïîäñ÷åòàì ó÷åíûõ, íà ñâîåì ïèêå ÷óìà â Êîíñòàíòèíîïîëå óíîñèëà æèçíè ïÿòè òûñÿ÷ ÷åëîâåê â äåíü, à çà âñå âðåìÿ ýïèäåìèè óìåðëî îêîëî ïîëîâèíû íàñåëåíèÿ. Ïî ñëîâàì íåêîòîðûõ èñòîðèêîâ, óùåðá äëÿ èìïåðèè áûë íàñòîëüêî âåëèê, ÷òî ñäåëàë åå äîñòàòî÷íî óÿçâèìîé äëÿ ìóñóëüìàíñêèõ çàâîåâàòåëåé â ñëåäóþùåì ñòîëåòèè.

"Äîëãîå âðåìÿ ó÷åíûå àêòèâíî ñïîðèëè î âîçáóäèòåëå ïàíäåìèé. Òîëüêî àíàëèçû ÄÍÊ êîñòíûõ îñòàíêîâ ïîëîæèëè êîíåö ïðåíèÿì", - öèòèðóåò Daily Mail äîêòîðà Áàðáàðó Áðàìàíòè èç Èíñòèòóòà àíòðîïîëîãèè óíèâåðñèòåòà Ìàéíöà. ×òîáû ðàçãàäàòü òàéíó, èññëåäîâàòåëè èçó÷èëè ÄÍÊ 19 çóáîâ, âçÿòûõ ñ îñòàíêîâ íà ñðåäíåâåêîâîì êëàäáèùå â Áàâàðèè (Ãåðìàíèÿ). Ïî ñëîâàì ñïåöèàëèñòîâ, ðåçóëüòàòû ïîêàçàëè, ÷òî áàêòåðèè Yersinia Pestis áûëè âîçáóäèòåëÿìè ïåðâîé ïàíäåìèè. Áîëåçíü, ñêîðåå âñåãî, â Èòàëèþ ïðèíåñëè âîéñêà âèçàíòèéñêîãî èìïåðàòîðà Þñòèíèàíà I, êîòîðûé õîòåë âåðíóòü óòðà÷åííûå çåìëè Çàïàäíîé Ðèìñêîé èìïåðèåé è âîññòàíîâèòü ãðàíèöû ãîñóäàðñòâà.

Ýêñïåðòû óòâåðæäàþò, ÷òî þñòèíèàíñêàÿ ÷óìà ïåðåñåêëà Àëüïû è íà÷àëà óáèâàòü ëþäåé íà òåððèòîðèè íûíåøíåé Áàâàðèè. Ïîçæå "÷åðíàÿ ñìåðòü" ðàñïðîñòðàíèëàñü ïî âñåé Åâðîïå.

Èñòî÷íèê
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Äíåâíèê http://forum.vgd.ru/931/
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Äîëãîæèòåëü ôîðóìà
https://forum.vgd.ru/349/

valcha

Ñîîáùåíèé: 28701
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ïåíåëîïà íàïèñàë:
[q]
Òîëüêî àíàëèçû ÄÍÊ êîñòíûõ îñòàíêîâ ïîëîæèëè êîíåö ïðåíèÿì", - öèòèðóåò Daily Mail äîêòîðà Áàðáàðó Áðàìàíòè èç Èíñòèòóòà àíòðîïîëîãèè óíèâåðñèòåòà Ìàéíöà. ×òîáû ðàçãàäàòü òàéíó, èññëåäîâàòåëè èçó÷èëè ÄÍÊ 19 çóáîâ, âçÿòûõ ñ îñòàíêîâ íà ñðåäíåâåêîâîì êëàäáèùå â Áàâàðèè (Ãåðìàíèÿ).
[/q]

Íå ïîíÿëà!
 ÄÍÊ çóáîâ ñëåäû Yersinia Pestis?




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Ïëàòíûì ïîèñêîì íå çàíèìàþñü.  ëè÷êå ÍÅ êîíñóëüòèðóþ. Çàäàâàéòå, ïîæ-ñòà, âîïðîñû â ñîîòâåòñòâóþùèõ òåìàõ, âàì òàì îòâåòßÒ.
ìèòîÃàïëîãðóïïà H1b
Lesla
Ìîäåðàòîð ðàçäåëà
R1a-VK05

Lesla

Ñàíêò-Ïåòåðáóðã
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Äóìàþ, â çóáàõ íàøëè ÷àñòèöû Yersinia Pestis, ÷òî îïðåäåëèëè ïðîàíàëèçèðîâàâ èõ (÷àñòèö) äíê.
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Ìîé êàíàë â Òåëåãðàììå, ãäå ðàññêàçûâàþ î ïðèìåíåíèè ìåòîäîâ ÄÍÊ-òåñòèðîâàíèÿ â ãåíåàëîãèè.
Èùó æèòåëåé è ïîòîìêîâ æèòåëåé ää. Ðó÷üåâàÿ Äåäîâè÷åñêîãî è Äóáêè Áåæàíèöêîãî ðàéîíîâ Ïñêîâñêîé îáë.
OVerner
Äîëãîæèòåëü ôîðóìà

OVerner

Çåëåíîãðàä
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ïåíåëîïà íàïèñàë:
[q]
Ðàçãàäàíà òàéíà ãèáåëè Ðèìñêîé èìïåðèè.
[/q]
Áðèòàíñêîå èçäàíèå Mail Online ÷àñòî ïèøåò î òàéíàõ, ðàçãàäàííûõ "Áðèòàíñêèìè ó÷åíûìè" lopnu
ïåíåëîïà
Äîëãîæèòåëü ôîðóìà

ïåíåëîïà

Ñîîáùåíèé: 1468
Íà ñàéòå ñ 2009 ã.
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http://ria.ru/science/20130514/937302870.html

http://www.nature.com/ncomms/j...s2871.html

Ãåíåòèêè îòêðûëè åâðîïåéñêèå êîðíè ó ìèíîéñêîé öèâèëèçàöèè Êðèòà

Ãðóïïà ïàëåîãåíåòèêîâ èç óíèâåðñèòåòà øòàòà Âàøèíãòîí â Ñèýòëå ïîñòàâèëà "àôðèêàíñêèé" âàðèàíò ïðîèñõîæäåíèÿ ìèíîéöåâ ïîä ñîìíåíèå, ñðàâíèâ ôðàãìåíòû ãåíîìà äðåâíèõ æèòåëåé Êðèòà ñ èõ ïðåäïîëàãàåìûìè ïðàðîäèòåëÿìè.

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Êñòàòè, íèêòî íå çàáûë, ÷òî åñòü åùå àíãëîÿçû÷íûé Ìîëãåí? :) Êòî õîòÿ áû íåìíîãî âëàäååò ÿçûêîì (à ìîæíî ïîëüçîâàòüñÿ è îíëàéí-ïåðåâîä÷èêàìè, - ïðèõîäèòå ïîîáùàòüñÿ íà òåìû ÄÍÊ-ãåíåàëîãèè: http://eng.molgen.org/index.php
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Äíåâíèê http://forum.vgd.ru/931/
kashub
Ïî÷åòíûé ó÷àñòíèê

Ñîîáùåíèé: 220
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OVerner íàïèñàë:
[q]
Áðèòàíñêîå èçäàíèå Mail Online ÷àñòî ïèøåò î òàéíàõ, ðàçãàäàííûõ "Áðèòàíñêèìè ó÷åíûìè"
[/q]

Ïðîñòèòå, à ÷òî âûçâàëî ãîìåðè÷åñêèé õîõîò?
Ðàáîòà óâàæàåìîãî ãåíåòèêà ñ ìèðîâûì èìåíåì Barbara Bramanti?
http://www.eurekalert.org/pub_...051013.php
Âû èìååòå ÷òî ñêàçàòü ïî ïîâîäó åå ðàáîòû è åå ñàìîé?
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ÑÖÑ Âåñüåãîíñêîãî (Ïíåâî, Õàáîöêîå, Äåëåäèíî, ×àìåðîâî), Áåæåöêîãî ( Õîíååâî, Ëþáîäèöû), Òâåðñêîãî (Îòðîêîâè÷è), Íîâîòîðîæñêîãî ( Òàëîæíÿ, Èëüèíñêîå ÷òî ïîä Âûøêîâîì), Ñòàðèöêîãî(Õîëìåö)
Îäíîäâîðöû Êóðñêîãî óåçäà(Âîðîáüåâêà, Ñåìåíîâêà)
OVerner
Äîëãîæèòåëü ôîðóìà

OVerner

Çåëåíîãðàä
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kashub íàïèñàë:
[q]
Ïðîñòèòå, à ÷òî âûçâàëî ãîìåðè÷åñêèé õîõîò?
[/q]


kashub, åñëè áû Âû âíèìàòåëüíåå ïðî÷èòàëè ìîå ñîîáùåíèå, òî íàøëè áû îòâåò íà ñâîé âîïðîñ.
Çàìå÷àíèå êàñàëîñü "Ðàçãàäêè òàéíû ãèáåëè Ðèìñêîé èìïåðèè".
Òåìû: ← Ïðåäûäóùàÿ   Ñëåäóþùàÿ →Ñòðàíèöû: ← Íàçàä 1 2 3 4 5 ... 8 9 10 11 12  * 13 14 15 16 ... 72 73 74 75 76 77 Âïåðåä →
Ìîäåðàòîðû: Lesla, Andrey Maslennikov
Ãåíåàëîãè÷åñêèé ôîðóì » Ãåíåòè÷åñêàÿ ãåíåàëîãèÿ » ÄÍÊ-ãåíåàëîãèÿ » ÍÎÂÎÑÒÈ ãåíîãåîãðàôèè, ïîïóëÿöèîííîé ãåíåòèêè, àðõåîëîãèè [òåìà ¹42617]
Ââåðõ ⇈