Ikigai Daily
WonderNatural gene transfer fact1,777 of 1,961

Cultivated sweet potatoes naturally contain expressed DNA transferred long ago from Agrobacterium, making them a striking case of natural transgenesis.

A crop with an ancient genetic guest

BiologyEvolutionFood

Why it matters

The idea in context

Agrobacterium is famous in laboratories because it can insert DNA into plants. Genome studies show that nature had already done so in sweet potato ancestors, and some transferred genes remain active. Their fixation in cultivated lineages may have mattered during domestication, but researchers are still testing which plant traits—if any—those ancient insertions helped shape.

Türkçe

Aynı kart, başka bir dilde.

Kültüre alınmış tatlı patatesler, uzun zaman önce Agrobacterium'dan aktarılmış ve ifade edilen DNA'yı doğal olarak taşır; bu onları çarpıcı bir doğal transgenez örneği yapar.
Kadim bir genetik misafiri olan ürün

Agrobacterium, bitkilere DNA yerleştirebildiği için laboratuvarlarda ünlüdür. Genom çalışmaları doğanın bunu tatlı patates atalarında çoktan yaptığını ve aktarılan bazı genlerin hâlâ etkin olduğunu gösteriyor. Bu eklenmelerin kültüre alınmış soylarda sabitlenmesi evcilleştirme sırasında önem taşımış olabilir; fakat hangi bitki özelliklerini biçimlendirdikleri hâlâ araştırılıyor.

Source trail

Read beyond the card.

Background reading: Sweet potatoAttribution and context are revised when stronger evidence appears. Corrections are welcome through the editorial page.
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