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The role of chaperone complex HSP90-SGT1-RAR1 as the associated machinery for hybrid inviability between Nicotiana gossei Domin and N. tabacum L.

Gene - 15 Apr 2021

Katsuyama Yushi, Doi Mizuho, Shioya Sachi, Hane Sanae, Yoshioka Momoko, Date Shuichi, Miyahara Chika, Ogawa Tomomichi, Takada Ryo, Okumura Hanako, Ikusawa Rie, Kitajima Sakihito, Oda Kenji, Sato Kenji, Tanaka Yoshikazu, Tezuka Takahiro, Mino Masanobu

Abstract excerpt

Two cultured cell lines (GTH4 and GTH4S) of a Nicotiana interspecific F1 hybrid (N. gossei × N. tabacum) were comparatively analyzed to find genetic factors related to hybrid inviability. Both cell lines proliferated at 37 °C, but after shifting to 26 °C, GTH4 started to die similar to the F1 hybrid seedlings, whereas GTH4S survived. As cell death requires de novo expression of genes and proteins, we compared...

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PMID: 33484759
DOI: 10.1016/j.gene.2021.145443

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