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Comparative morpho-anatomical studies of the female gonoduct within the Pratylenchidae (Nematoda: Tylenchina)

Wim Bert UGent, Ruben Van Gansbeke UGent, Myriam Claeys UGent, Etienne Geraert and Gaetan Borgonie (2003) NEMATOLOGY. 5(2). p.293-306
abstract
The cellular morphology of the gonoduct of six Pratylenchus species, three Pratylenchoides species, Radopholus similis, Zygorylenchus guevarai, Hirschmanniella loofi and Nacobbus aberrans was revealed by dissection and light microscopy. Except for Nacobbus aberrans, all studied species show an overall similarity in gonoduct construction, i.e., an ovary often ending with a ring of cells, an oviduct formed from two rows of four cells and a 12-celled spermatheca followed by a tricolumella containing 16-24 cells. Pratylenchoides magnicauda and Z guevarai did not diverge from the other Pratylenchidae in this respect, although their gonoduct differs from that of Amplimerlinius and Meloidogyne, both formerly postulated as related genera. The spermatheca structure observed in N. aberrans has not been reported elsewhere in the Nematoda, although the uterus is similar to that reported within the Heteroderinae and Meloidogyninae and the uterus comprises more than 300 cells, enlarging from a tricolumella to a polycolumella. Transmission electron microscopy of Z guevarai revealed details of the cytoplasmatic contact between epithelial cells and the germ cells; a finger-like ovarian wall cell extension was found penetrating the oocyte. The oviduct lacks a preformed lumen and comprises eight cells with highly plicated cell membranes. The spermatheca is constructed from flattened wall cells and is followed by columnar uterus cells where evidence of eggshell formation was demonstrated.
Please use this url to cite or link to this publication:
author
organization
year
type
journalArticle (original)
publication status
published
subject
keyword
Hirschmanniella, gonad, morphology, Nacobbus, Pratylenchus, Pratylenchoides, TEM, ultrastructure, Zygotylenchus, REPRODUCTIVE-SYSTEM, LESION NEMATODE, ELECTRON-MICROSCOPY, PENETRANS NEMATA, ULTRASTRUCTURE, SPERMATHECA, GENUS, CELLS
journal title
NEMATOLOGY
Nematology
volume
5
issue
2
pages
293 - 306
Web of Science type
Article
Web of Science id
000184809500012
JCR category
ZOOLOGY
JCR impact factor
0.589 (2003)
JCR rank
71/107 (2003)
JCR quartile
3 (2003)
ISSN
1388-5545
DOI
10.1163/156854103767139761
language
English
UGent publication?
yes
classification
A1
copyright statement
I have transferred the copyright for this publication to the publisher
id
214238
handle
http://hdl.handle.net/1854/LU-214238
date created
2004-05-04 12:29:00
date last changed
2016-12-19 15:38:14
@article{214238,
  abstract     = {The cellular morphology of the gonoduct of six Pratylenchus species, three Pratylenchoides species, Radopholus similis, Zygorylenchus guevarai, Hirschmanniella loofi and Nacobbus aberrans was revealed by dissection and light microscopy. Except for Nacobbus aberrans, all studied species show an overall similarity in gonoduct construction, i.e., an ovary often ending with a ring of cells, an oviduct formed from two rows of four cells and a 12-celled spermatheca followed by a tricolumella containing 16-24 cells. Pratylenchoides magnicauda and Z guevarai did not diverge from the other Pratylenchidae in this respect, although their gonoduct differs from that of Amplimerlinius and Meloidogyne, both formerly postulated as related genera. The spermatheca structure observed in N. aberrans has not been reported elsewhere in the Nematoda, although the uterus is similar to that reported within the Heteroderinae and Meloidogyninae and the uterus comprises more than 300 cells, enlarging from a tricolumella to a polycolumella. Transmission electron microscopy of Z guevarai revealed details of the cytoplasmatic contact between epithelial cells and the germ cells; a finger-like ovarian wall cell extension was found penetrating the oocyte. The oviduct lacks a preformed lumen and comprises eight cells with highly plicated cell membranes. The spermatheca is constructed from flattened wall cells and is followed by columnar uterus cells where evidence of eggshell formation was demonstrated.},
  author       = {Bert, Wim and Van Gansbeke, Ruben and Claeys, Myriam and Geraert, Etienne and Borgonie, Gaetan},
  issn         = {1388-5545},
  journal      = {NEMATOLOGY},
  keyword      = {Hirschmanniella,gonad,morphology,Nacobbus,Pratylenchus,Pratylenchoides,TEM,ultrastructure,Zygotylenchus,REPRODUCTIVE-SYSTEM,LESION NEMATODE,ELECTRON-MICROSCOPY,PENETRANS NEMATA,ULTRASTRUCTURE,SPERMATHECA,GENUS,CELLS},
  language     = {eng},
  number       = {2},
  pages        = {293--306},
  title        = {Comparative morpho-anatomical studies of the female gonoduct within the Pratylenchidae (Nematoda: Tylenchina)},
  url          = {http://dx.doi.org/10.1163/156854103767139761},
  volume       = {5},
  year         = {2003},
}

Chicago
Bert, Wim, Ruben Van Gansbeke, Myriam Claeys, Etienne Geraert, and Gaetan Borgonie. 2003. “Comparative Morpho-anatomical Studies of the Female Gonoduct Within the Pratylenchidae (Nematoda: Tylenchina).” Nematology 5 (2): 293–306.
APA
Bert, W., Van Gansbeke, R., Claeys, M., Geraert, E., & Borgonie, G. (2003). Comparative morpho-anatomical studies of the female gonoduct within the Pratylenchidae (Nematoda: Tylenchina). NEMATOLOGY, 5(2), 293–306.
Vancouver
1.
Bert W, Van Gansbeke R, Claeys M, Geraert E, Borgonie G. Comparative morpho-anatomical studies of the female gonoduct within the Pratylenchidae (Nematoda: Tylenchina). NEMATOLOGY. 2003;5(2):293–306.
MLA
Bert, Wim, Ruben Van Gansbeke, Myriam Claeys, et al. “Comparative Morpho-anatomical Studies of the Female Gonoduct Within the Pratylenchidae (Nematoda: Tylenchina).” NEMATOLOGY 5.2 (2003): 293–306. Print.