BIOLOGY OF HARVEYELLA-MIRABILIS (CRYPTONEMIALES, RHODOPHYCEAE) .6. TRANSLOCATION OF PHOTOASSIMILATED C-14

被引:23
作者
GOFF, LJ
机构
[1] Center for Coastal Marine Studies, Division of Natural Sciences, University of California, Santa Cruz, California
关键词
autoradiography; Harveyella; host; Odonthalia; parasite; Rhodophyta; translocation;
D O I
10.1111/j.0022-3646.1979.00082.x
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Pulse‐chase labelling experiments demonstrate that photoassimilated 14C‐bicarbonate is translocated from the host red alga Odonthalia floccosa (Esper) Falkenberg to the parasite Harveyella mirabilis (Reinsch) Schmitz & Reinke. The primary path of translocation is from host cortical cells (the site of photoassimilation) to the erumpent parasite pustule via the zone of interdigitation. The latter is a tissue region in which rhizoidal cells of Harveyella grow between, and establish secondary pit plugs with medullary cells of Odonthalia. A secondary translocation pathway occurs from isolated host cells dispersed in the pustule of Harveyella to adjacent parasite cells. Copyright © 1979, Wiley Blackwell. All rights reserved
引用
收藏
页码:82 / 87
页数:6
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