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Science & Tech

إعادة كائن مجهري إلى الحياة بعد بقائه متجمداً 24 ألف عام

By الشرق الأوسط · 2 hours ago · 1 min read الشرق الأوسط ↗

إعادة كائن مجهري إلى الحياة بعد بقائه متجمداً 24 ألف عام

ما يعرفه ريفو عن الخبر

نجح علماء في إعادة كائن مجهري من فصيلة الدوارات إلى الحياة بعد بقائه متجمداً في التربة الصقيعية لمدة 24 ألف عام.
تم استخراج الكائن من منطقة نهر ألايزيا في القطب الشمالي الروسي حيث أظهر قدرة فائقة على تحمل الجفاف والتجمد.
أثبتت الدراسة أن الكائنات متعددة الخلايا يمكنها الحفاظ على نشاطها الحيوي بعد ذوبانها رغم تكوّن بلورات الجليد داخل خلاياها وأنسجتها.

تمكن علماء من إعادة كائن حي مجهري إلى الحياة، بعد أن أمضى نحو 24 ألف عام مدفوناً في التربة الصقيعية بسيبيريا، في اكتشاف علمي يسلط الضوء على قدرات بعض الكائنات.

المصدر: الشرق الأوسط

#سيبيريا

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