Two Nicotiana occidentalis accessions enable gene identification for Type II hybrid lethality by the cross to N. sylvestris

Abstract Hybrid lethality, meaning the death of F1 hybrid seedlings, has been observed in many plant species, including Nicotiana. Previously, we have revealed that hybrids of the selected Nicotiana occidentalis accession and N. tabacum, an allotetraploid with S and T genomes, exhibited lethality ch...

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Autores principales:	Kenji Kawaguchi, Yuichiro Ohya, Maho Maekawa, Takahiro Iizuka, Akira Hasegawa, Kumpei Shiragaki, Hai He, Masayuki Oda, Toshinobu Morikawa, Shuji Yokoi, Takahiro Tezuka
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/87f8923733cb4a74b7f3607dec543d17
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spelling	oai:doaj.org-article:87f8923733cb4a74b7f3607dec543d172021-12-02T18:53:09ZTwo Nicotiana occidentalis accessions enable gene identification for Type II hybrid lethality by the cross to N. sylvestris10.1038/s41598-021-96482-62045-2322https://doaj.org/article/87f8923733cb4a74b7f3607dec543d172021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-96482-6https://doaj.org/toc/2045-2322Abstract Hybrid lethality, meaning the death of F1 hybrid seedlings, has been observed in many plant species, including Nicotiana. Previously, we have revealed that hybrids of the selected Nicotiana occidentalis accession and N. tabacum, an allotetraploid with S and T genomes, exhibited lethality characterized by the fading of shoot color. The lethality was suggested to be controlled by alleles of loci on the S and T genomes derived from N. sylvestris and N. tomentosiformis, respectively. Here, we extended the analysis of hybrid lethality using other two accessions of N. occidentalis identified from the five tested accessions. The two accessions were crossed with N. tabacum and its two progenitors, N. sylvestris and N. tomentosiformis. After crosses with N. tabacum, the two N. occidentalis accessions yielded inviable hybrid seedlings whose lethality was characterized by the fading of shoot color, but only the T genome of N. tabacum was responsible for hybrid lethality. Genetic analysis indicated that first-mentioned N. occidentalis accession carries a single gene causing hybrid lethality by allelic interaction with the S genome.Kenji KawaguchiYuichiro OhyaMaho MaekawaTakahiro IizukaAkira HasegawaKumpei ShiragakiHai HeMasayuki OdaToshinobu MorikawaShuji YokoiTakahiro TezukaNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-8 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Kenji Kawaguchi Yuichiro Ohya Maho Maekawa Takahiro Iizuka Akira Hasegawa Kumpei Shiragaki Hai He Masayuki Oda Toshinobu Morikawa Shuji Yokoi Takahiro Tezuka Two Nicotiana occidentalis accessions enable gene identification for Type II hybrid lethality by the cross to N. sylvestris
description	Abstract Hybrid lethality, meaning the death of F1 hybrid seedlings, has been observed in many plant species, including Nicotiana. Previously, we have revealed that hybrids of the selected Nicotiana occidentalis accession and N. tabacum, an allotetraploid with S and T genomes, exhibited lethality characterized by the fading of shoot color. The lethality was suggested to be controlled by alleles of loci on the S and T genomes derived from N. sylvestris and N. tomentosiformis, respectively. Here, we extended the analysis of hybrid lethality using other two accessions of N. occidentalis identified from the five tested accessions. The two accessions were crossed with N. tabacum and its two progenitors, N. sylvestris and N. tomentosiformis. After crosses with N. tabacum, the two N. occidentalis accessions yielded inviable hybrid seedlings whose lethality was characterized by the fading of shoot color, but only the T genome of N. tabacum was responsible for hybrid lethality. Genetic analysis indicated that first-mentioned N. occidentalis accession carries a single gene causing hybrid lethality by allelic interaction with the S genome.
format	article
author	Kenji Kawaguchi Yuichiro Ohya Maho Maekawa Takahiro Iizuka Akira Hasegawa Kumpei Shiragaki Hai He Masayuki Oda Toshinobu Morikawa Shuji Yokoi Takahiro Tezuka
author_facet	Kenji Kawaguchi Yuichiro Ohya Maho Maekawa Takahiro Iizuka Akira Hasegawa Kumpei Shiragaki Hai He Masayuki Oda Toshinobu Morikawa Shuji Yokoi Takahiro Tezuka
author_sort	Kenji Kawaguchi
title	Two Nicotiana occidentalis accessions enable gene identification for Type II hybrid lethality by the cross to N. sylvestris
title_short	Two Nicotiana occidentalis accessions enable gene identification for Type II hybrid lethality by the cross to N. sylvestris
title_full	Two Nicotiana occidentalis accessions enable gene identification for Type II hybrid lethality by the cross to N. sylvestris
title_fullStr	Two Nicotiana occidentalis accessions enable gene identification for Type II hybrid lethality by the cross to N. sylvestris
title_full_unstemmed	Two Nicotiana occidentalis accessions enable gene identification for Type II hybrid lethality by the cross to N. sylvestris
title_sort	two nicotiana occidentalis accessions enable gene identification for type ii hybrid lethality by the cross to n. sylvestris
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/87f8923733cb4a74b7f3607dec543d17
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Two Nicotiana occidentalis accessions enable gene identification for Type II hybrid lethality by the cross to N. sylvestris

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