Počet záznamů: 1
Na+, K+/H+ antiporters regulate the pH of endoplasmic reticulum and auxin-mediated development
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SYSNO ASEP 0489240 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Na+, K+/H+ antiporters regulate the pH of endoplasmic reticulum and auxin-mediated development Tvůrce(i) Fan, L. (CA)
Zhao, L. (CN)
Hu, W. (CN)
Li, W. (CN)
Novák, Ondřej (UEB-Q) RID, ORCID, SAI
Strnad, Miroslav (UEB-Q) RID, ORCID
Simon, S. (DE)
Friml, J. (DE)
Shen, J. (US)
Jiang, L. (CN)
Qiu, Q. S. (CN)Celkový počet autorů 11 Zdroj.dok. Plant Cell and Environment. - : Wiley - ISSN 0140-7791
Roč. 41, č. 4 (2018), s. 850-864Poč.str. 15 s. Jazyk dok. eng - angličtina Země vyd. GB - Velká Británie Klíč. slova Arabidopsis ; AtNHX5 ; AtNHX6 ; endosomal Na ,K /H antiporters ; pH ; pin5 Vědní obor RIV EB - Genetika a molekulární biologie Obor OECD Cell biology CEP LO1204 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy Institucionální podpora UEB-Q - RVO:61389030 UT WOS 000426870500012 EID SCOPUS 85042385885 DOI 10.1111/pce.13153 Anotace AtNHX5 and AtNHX6 are endosomal Na + ,K + /H + antiporters that are critical for growth and development in Arabidopsis, but the mechanism behind their action remains unknown. Here, we report that AtNHX5 and AtNHX6, functioning as H + leak, control auxin homeostasis and auxin-mediated development. We found that nhx5 nhx6 exhibited growth variations of auxin-related defects. We further showed that nhx5 nhx6 was affected in auxin homeostasis. Genetic analysis showed that AtNHX5 and AtNHX6 were required for the function of the endoplasmic reticulum (ER)-localized auxin transporter PIN5. Although AtNHX5 and AtNHX6 were colocalized with PIN5 at ER, they did not interact directly. Instead, the conserved acidic residues in AtNHX5 and AtNHX6, which are essential for exchange activity, were required for PIN5 function. AtNHX5 and AtNHX6 regulated the pH in ER. Overall, AtNHX5 and AtNHX6 may regulate auxin transport across the ER via the pH gradient created by their transport activity. H +leak pathway provides a fine-tuning mechanism that controls cellular auxin fluxes. Pracoviště Ústav experimentální botaniky Kontakt David Klier, knihovna@ueb.cas.cz, Tel.: 220 390 469 Rok sběru 2019
Počet záznamů: 1