Histone distribution during plant cell differentiation

Abstract

Histones are small, basic and highly cornserved proteins, necessary in DNA compaction into the chromatin of eukaryotic cells. The primary level of chromatin formation is the nucleosome, where 146bp of DNA are wrapped around a histone octamer core, comprised of two of each core histones, H2A, H2B, H3 and H4, while its structure is completed with the association of H1 linker histone. Each histone class, with the exception of H4, is represented by a family of structurally similar polypeptides called histone variants. Histone variants are synthesized in different relative amounts during the cell cycle and it has been proposed that they could be necessary in distinct chromatin functions. On the other hand, histone post-translational modifications such as acetylation, phosphorylation, methylation and ubiquitination, provide another level of heterogeneity to these proteins and is well established that they also play important roles in all chromatin functions. Although histone variants and mod ...
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DOI
10.12681/eadd/18959
Handle URL
http://hdl.handle.net/10442/hedi/18959
ND
18959
Alternative title
Μελέτη του προτύπου κατανομής των ιστονών κατά την διαφοροποίηση φυτικών κυττάρων
Author
Alatzas, Anastasios (Father's name: Zisis)
Date
2009
Degree Grantor
Aristotle University Of Thessaloniki (AUTH)
Committee members
Φουντούλη Αθηνά
Κυριακίδης Δημήτριος
Παναγιωτίδης Χρήστος
Χατζοπούλου-Κλαδαρά Μαργαρίτα
Σκούρας Ζαχαρίας
Αρσενάκης Μηνάς
Χατζόπουλος Πολυδεύκης
Discipline
Natural SciencesBiological Sciences
Keywords
Zea mays; Histones; Plant cell differentiation; Callus culture; Plant hormone
Country
Greece
Language
Greek
Description
280 σ., im.
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