Tubulin isoform usage in maize microtubules

S. O. Eun, S. M. Wick

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Antibodies specific to two of the maize β-tubulin isoforms and to the three subfamilies of maize α-tubulins were used in immunofluorescence microscopy to determine where and into which microtubule (MT) arrays these tubulin isoforms are incorporated in maize plants. All the tubulins examined appear to be incorporated into MTs in at least some cell types, with the possible exception of subfamily II α-tubulins, which have been found only in the form of diffuse, nonfibrillar staining. Whereas the α-tubulins of subfamily I appear to be used constitutively, others are used much more selectively in the plant, with β2-tubulin found in microtubules only during sexual reproduction. If a particular tubulin is used in the MTs of a given cell type, it appears to be incorporated into all the MT arrays found in the cell.

Original languageEnglish (US)
Pages (from-to)235-244
Number of pages10
JournalProtoplasma
Volume204
Issue number3-4
DOIs
StatePublished - Jan 1 1998

Keywords

  • Immunofluorescence microscopy
  • Plant microtubules
  • Tubulin antibodies
  • Tubulin isoforms
  • Zea mays

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