AC Wille

AF Peer van

AH Fielding

BL Moss

C Faulkner

C Katsaros

C Nagasato

Chikako Nagasato

CL Wymer

CM Pueschel

DLD Caspar

FY Bouget

HJ Marchant

HS Yoon

I Kim

JA Raven

JC Hervé

JM Cock

JW Claire La II

JY Kim

K Schmitz

KJ Oparka

M Terauchi

MA Amat

Makoto Terauchi

ME Cook

MJ Wynne

MS Salmon

NM Christensen

NM Kumar

P Zambryski

PB Goodwin

PK Hepler

R Bauer

R Luthringer

R Zavaliev

RE Reichle

RW Seagull

S Bloemendal

S Maeda

T Silberfeld

Taizo Motomura

TM Burch-Smith

TW Fraster

VR Franceschi

WJ Lucas

English

Abstract
          Plasmodesmata (PD) are intercellular connections in plants which play roles in various developmental processes. They are also found in brown algae, a group of eukaryotes possessing complex multicellularity, as well as green plants. Recently, we conducted an ultrastructural study of PD in several species of brown algae. PD in brown algae are commonly straight plasma membrane-lined channels with a diameter of 10–20 nm and they lack desmotubule in contrast to green plants. Moreover, branched PD could not be observed in brown algae. In the brown alga, Dictyota dichotoma, PD are produced during cytokinesis through the formation of their precursor structures (pre-plasmodesmata, PPD). Clustering of PD in a structure termed “pit field” was recognized in several species having a complex multicellular thallus structure but not in those having uniseriate filamentous or multiseriate one. The pit fields might control cell-to-cell communication and contribute to the establishment of the complex multicellular thallus. In this review, we discuss fundamental morphological aspects of brown algal PD and present questions that remain open.</jats:p

Crossref

Journal of Plant Research

Plasmodesmata of brown algae

https://link.springer.com/content/pdf/10.1007%2Fs10265-014-0677-4.pdf

Plasmodesmata of brown algae

Abstract

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