Diversity of Na+ allocation in salt-tolerant species of the genus Vigna

Copyright © 2022 by JAPANESE SOCIETY OF BREEDING.

Bibliographische Detailangaben
Veröffentlicht in:Breeding science. - 1998. - 72(2022), 4 vom: 13. Sept., Seite 326-331
1. Verfasser: Noda, Yusaku (VerfasserIn)
Weitere Verfasser: Sugita, Ryohei, Hirose, Atsushi, Kawachi, Naoki, Tanoi, Keitaro, Furukawa, Jun, Naito, Ken
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Breeding science
Schlagworte:Journal Article autoradiography genetic resources genus Vigna salt tolerance wild crop relatives
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520 |a Wild species in the genus Vigna are a great resource of tolerance to various stresses including salinity. We have previously screened the genetic resources of the genus Vigna and identified several accessions that have independently evolved salt tolerance. However, many aspects of such tolerance have remained unknown. Thus, we used autoradiography with radioactive sodium (22Na+) and Inductively Coupled Plasma Mass Spectrometry (ICP-MS) to visualize and compare Na+ allocation in Vigna angularis (Willd.) Ohwi & H.Ohashi (azuki bean), Vigna nakashimae (Ohwi) Ohwi & H.Ohashi, Vigna riukiuensis (Ohwi) Ohwi & H.Ohashi, Vigna luteola (Jacq.) Benth. and Vigna marina (Burm.) Merr.. The results indicated: 1) Tolerant accessions suppress Na+ accumulation compared to azuki bean. 2) V. nakashimae and V. marina does so by accumulating higher amount of K+, whereas V. riukiuensis and V. luteola does so by other mechanisms. 3) V. luteola avoids salt-shedding by allocating excess Na+ to newly expanded leaves. As the mechanisms of the tolerant species were different, they could be piled up in a single crop via classical breeding or by genetic engineering or genome editing 
650 4 |a Journal Article 
650 4 |a autoradiography 
650 4 |a genetic resources 
650 4 |a genus Vigna 
650 4 |a salt tolerance 
650 4 |a wild crop relatives 
700 1 |a Sugita, Ryohei  |e verfasserin  |4 aut 
700 1 |a Hirose, Atsushi  |e verfasserin  |4 aut 
700 1 |a Kawachi, Naoki  |e verfasserin  |4 aut 
700 1 |a Tanoi, Keitaro  |e verfasserin  |4 aut 
700 1 |a Furukawa, Jun  |e verfasserin  |4 aut 
700 1 |a Naito, Ken  |e verfasserin  |4 aut 
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773 1 8 |g volume:72  |g year:2022  |g number:4  |g day:13  |g month:09  |g pages:326-331 
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