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Cellular but not humoral antibacterial activity of earthworms is inhibited by Aroclor 1254.

Abstract：

:Earthworms, Eisenia fetida andrei and Lumbricus terrestris, exposed to Aroclor 1254, followed by infestation with Aeromonas hydrophila, elicited two types of responses. First, in E. fetida, there was no change in the LD50 nor in the in vitro antibacterial growth capacity of cell-free coelomic fluid. Thus, Aroclor exerts no influence on antibacterial proteins nor on the chloragogue cells responsible for their release. Second, in L. terrestris, both a high LD50 value and no antibacterial activity indicate that A. hydrophila was not pathogenic. The 10(4) times higher sensitivity of exposed L. terrestris suggests that Aroclor inhibits leukocyte activity since E. fetida eliminates nonpathogenic bacteria by a cellular mechanism.

journal_name

Ecotoxicol Environ Saf

journal_title

Ecotoxicology and environmental safety

authors

Roch P,Cooper EL

doi

10.1016/0147-6513(91)90079-5

subject

Has Abstract

pub_date

1991-12-01 00:00:00

pages

283-90

issue

3

eissn

0147-6513

issn

1090-2414

pii

0147-6513(91)90079-5

journal_volume

22

pub_type

杂志文章

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