Open AccessSieve Elements and Companion Cells—Traffic Control Centers of the Phloem
Author(s) -
Karl Oparka,
Robert Turgeon
Publication year - 1999
Publication title -
the plant cell
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.324
H-Index - 341
eISSN - 1532-298X
pISSN - 1040-4651
DOI - 10.1105/tpc.11.4.739
Subject(s) - phloem , biology , sieve (category theory) , control (management) , sieve tube element , computational biology , botany , computer science , artificial intelligence , combinatorics , mathematics
Of all the intricate cell–cell interactions in nature, those between the sieve element (SE) and its companion cell (CC) rank among the most complex and mysterious. Mature SEs are enucleate and retain only a highly degenerate cytoplasm, yet they can remain viable and functional for decades ([
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