Some aspects of intracellular symbiosis during embryo development of Mastotermes darwiniensis (Isoptera: Mastotermitidae)

L. Sacchi, C. A. Nalepa, E. Bigliardi, M. Lenz, C. Bandi, S. Corona, A. Grigolo, S. Lambiase, U. Laudani

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

All examined species of cockroaches have been shown to harbour intracellular bacteria in specialized cells (bacteriocytes) of the fat body. In termites, bacteria in specialized cells have been observed only in Mastotermes darwiniensis (Isoptera: Mastotermitidae) All of these bacteria have been assigned to the same eubacterial lineage, with the bacteria of M. darwiniensis as the sister group to the cockroach bacteria. While the main steps of the life cycle of cockroach bacteria have been described, little is known about the bacteria of M. darwiniensis. More specifically, no data are available on their behaviour during the development of this termite Using both optical and electron microscopy methods, we examined embryos of M. darwiniensis at different developmental stages. Our results show that the integration of bacteria during the development of M. darwiniensis is implemented in the same way as in cockroaches. In particular, we observed the aggregation of a large amount of bacteria in a single mass in the yolk sac, with vitellophage-associated bacterial lysis. In cockroaches, a similar process has been described in detail for Periplaneta americana (Blattaria: Blattidae), where the bacterial mass is referred to as the transitory mycetome. The formation of a transitory mycetome could thus be regarded as an ancestral condition for cockroaches and termites.

Original languageEnglish
Pages (from-to)309-316
Number of pages8
JournalParassitologia
Volume40
Issue number3
Publication statusPublished - 1998

Fingerprint

Isoptera
Symbiosis
Cockroaches
Embryonic Development
Bacteria
Periplaneta
Yolk Sac
Fat Body
Life Cycle Stages
Electron Microscopy
Embryonic Structures

Keywords

  • Cockroaches
  • Dictyoptera
  • Intracellular bacteria
  • Mycetome
  • Termites

ASJC Scopus subject areas

  • Immunology and Microbiology(all)

Cite this

Sacchi, L., Nalepa, C. A., Bigliardi, E., Lenz, M., Bandi, C., Corona, S., ... Laudani, U. (1998). Some aspects of intracellular symbiosis during embryo development of Mastotermes darwiniensis (Isoptera: Mastotermitidae). Parassitologia, 40(3), 309-316.

Some aspects of intracellular symbiosis during embryo development of Mastotermes darwiniensis (Isoptera : Mastotermitidae). / Sacchi, L.; Nalepa, C. A.; Bigliardi, E.; Lenz, M.; Bandi, C.; Corona, S.; Grigolo, A.; Lambiase, S.; Laudani, U.

In: Parassitologia, Vol. 40, No. 3, 1998, p. 309-316.

Research output: Contribution to journalArticle

Sacchi, L, Nalepa, CA, Bigliardi, E, Lenz, M, Bandi, C, Corona, S, Grigolo, A, Lambiase, S & Laudani, U 1998, 'Some aspects of intracellular symbiosis during embryo development of Mastotermes darwiniensis (Isoptera: Mastotermitidae)', Parassitologia, vol. 40, no. 3, pp. 309-316.
Sacchi L, Nalepa CA, Bigliardi E, Lenz M, Bandi C, Corona S et al. Some aspects of intracellular symbiosis during embryo development of Mastotermes darwiniensis (Isoptera: Mastotermitidae). Parassitologia. 1998;40(3):309-316.
Sacchi, L. ; Nalepa, C. A. ; Bigliardi, E. ; Lenz, M. ; Bandi, C. ; Corona, S. ; Grigolo, A. ; Lambiase, S. ; Laudani, U. / Some aspects of intracellular symbiosis during embryo development of Mastotermes darwiniensis (Isoptera : Mastotermitidae). In: Parassitologia. 1998 ; Vol. 40, No. 3. pp. 309-316.
@article{cfd84b6ef23f41a995a43849f39259d2,
title = "Some aspects of intracellular symbiosis during embryo development of Mastotermes darwiniensis (Isoptera: Mastotermitidae)",
abstract = "All examined species of cockroaches have been shown to harbour intracellular bacteria in specialized cells (bacteriocytes) of the fat body. In termites, bacteria in specialized cells have been observed only in Mastotermes darwiniensis (Isoptera: Mastotermitidae) All of these bacteria have been assigned to the same eubacterial lineage, with the bacteria of M. darwiniensis as the sister group to the cockroach bacteria. While the main steps of the life cycle of cockroach bacteria have been described, little is known about the bacteria of M. darwiniensis. More specifically, no data are available on their behaviour during the development of this termite Using both optical and electron microscopy methods, we examined embryos of M. darwiniensis at different developmental stages. Our results show that the integration of bacteria during the development of M. darwiniensis is implemented in the same way as in cockroaches. In particular, we observed the aggregation of a large amount of bacteria in a single mass in the yolk sac, with vitellophage-associated bacterial lysis. In cockroaches, a similar process has been described in detail for Periplaneta americana (Blattaria: Blattidae), where the bacterial mass is referred to as the transitory mycetome. The formation of a transitory mycetome could thus be regarded as an ancestral condition for cockroaches and termites.",
keywords = "Cockroaches, Dictyoptera, Intracellular bacteria, Mycetome, Termites",
author = "L. Sacchi and Nalepa, {C. A.} and E. Bigliardi and M. Lenz and C. Bandi and S. Corona and A. Grigolo and S. Lambiase and U. Laudani",
year = "1998",
language = "English",
volume = "40",
pages = "309--316",
journal = "Parassitologia",
issn = "0048-2951",
publisher = "Lombardo Editore",
number = "3",

}

TY - JOUR

T1 - Some aspects of intracellular symbiosis during embryo development of Mastotermes darwiniensis (Isoptera

T2 - Mastotermitidae)

AU - Sacchi, L.

AU - Nalepa, C. A.

AU - Bigliardi, E.

AU - Lenz, M.

AU - Bandi, C.

AU - Corona, S.

AU - Grigolo, A.

AU - Lambiase, S.

AU - Laudani, U.

PY - 1998

Y1 - 1998

N2 - All examined species of cockroaches have been shown to harbour intracellular bacteria in specialized cells (bacteriocytes) of the fat body. In termites, bacteria in specialized cells have been observed only in Mastotermes darwiniensis (Isoptera: Mastotermitidae) All of these bacteria have been assigned to the same eubacterial lineage, with the bacteria of M. darwiniensis as the sister group to the cockroach bacteria. While the main steps of the life cycle of cockroach bacteria have been described, little is known about the bacteria of M. darwiniensis. More specifically, no data are available on their behaviour during the development of this termite Using both optical and electron microscopy methods, we examined embryos of M. darwiniensis at different developmental stages. Our results show that the integration of bacteria during the development of M. darwiniensis is implemented in the same way as in cockroaches. In particular, we observed the aggregation of a large amount of bacteria in a single mass in the yolk sac, with vitellophage-associated bacterial lysis. In cockroaches, a similar process has been described in detail for Periplaneta americana (Blattaria: Blattidae), where the bacterial mass is referred to as the transitory mycetome. The formation of a transitory mycetome could thus be regarded as an ancestral condition for cockroaches and termites.

AB - All examined species of cockroaches have been shown to harbour intracellular bacteria in specialized cells (bacteriocytes) of the fat body. In termites, bacteria in specialized cells have been observed only in Mastotermes darwiniensis (Isoptera: Mastotermitidae) All of these bacteria have been assigned to the same eubacterial lineage, with the bacteria of M. darwiniensis as the sister group to the cockroach bacteria. While the main steps of the life cycle of cockroach bacteria have been described, little is known about the bacteria of M. darwiniensis. More specifically, no data are available on their behaviour during the development of this termite Using both optical and electron microscopy methods, we examined embryos of M. darwiniensis at different developmental stages. Our results show that the integration of bacteria during the development of M. darwiniensis is implemented in the same way as in cockroaches. In particular, we observed the aggregation of a large amount of bacteria in a single mass in the yolk sac, with vitellophage-associated bacterial lysis. In cockroaches, a similar process has been described in detail for Periplaneta americana (Blattaria: Blattidae), where the bacterial mass is referred to as the transitory mycetome. The formation of a transitory mycetome could thus be regarded as an ancestral condition for cockroaches and termites.

KW - Cockroaches

KW - Dictyoptera

KW - Intracellular bacteria

KW - Mycetome

KW - Termites

UR - http://www.scopus.com/inward/record.url?scp=0032152428&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0032152428&partnerID=8YFLogxK

M3 - Article

C2 - 10376288

AN - SCOPUS:0032152428

VL - 40

SP - 309

EP - 316

JO - Parassitologia

JF - Parassitologia

SN - 0048-2951

IS - 3

ER -