katanin 1 is essential for embryogenesis and seed formation in arabidopsis

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ID: 193599
2017
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Abstract
Cytoskeletal remodeling has a fundamental role, especially during transitional developmental stages when cells rapidly adopt new forms and roles, like gametogenesis, fertilization and concomitant embryogenesis and seed formation. KATANIN 1, a microtubule severing protein, fulfills a major regulatory mechanism of dynamic microtubule turnover in eukaryotes. Herein, we show that three well-established KATANIN 1 mutants, fra2, lue1 and ktn1-2 collectively display lower fertility and seed set in Arabidopsis. These lower fertility and seed set rates of fra2, lue1 and ktn1-2 mutants were correlated to abnormalities in the development of embryo proper and seed. Such phenotypes were rescued by transformation of mutants with functional pKTN1::GFP:KTN1 construct. This study significantly expands the already broad functional repertoire of KATANIN 1 and unravels its new role in embryo and seed development. Thus, KATANIN 1 significantly contributes to the fertility and proper embryo and seed formation in Arabidopsis.
Reference Key
luptoviak2017frontierskatanin Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Ivan Luptovčiak;Despina Samakovli;George Komis;Jozef Šamaj
Journal phytochemistry letters
Year 2017
DOI
10.3389/fpls.2017.00728
URL
http://journal.frontiersin.org/article/10.3389/fpls.2017.00728/full
Keywords
development embryo arabidopsis katanin embryogeneis

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