First isolation of Enterobacter, Enterococcus, and Acinetobacter spp. as inhabitants of the tsetse fly (Glossina palpalis palpalis) midgut

Geiger, Anne; Fardeau, Marie‐Laure; Grébaut, Pascal; Vatunga, Gedeao; Josenando, Théophile; Herder, Stéphane; Cuny, G; Truc, Philippe; Ollivier, Bernard

doi:10.1016/j.meegid.2009.09.013

Cited by 75 publications

(85 citation statements)

References 54 publications

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“…Tsetse can also harbor the Alphaproteobacteria Wolbachia (44), a facultative parasite infecting many different invertebrates (45,46), which is typically restricted to the reproductive organs (47,48). Field studies report a more complex diversity in adult flies (49)(50)(51), although these microbes are believed to be transient in nature. The tsetse holobiont provides opportunities to examine evolutionary aspects associated with adapting to microbial coresidence, as Wigglesworthia and Sodalis have drastically different times of establishment (10,52).…”

Section: Tsetse Microbial Communitymentioning

confidence: 99%

“…Evidence lies in its ability to be cultured (64), providing a tremendous benefit for empirical analyses, wide tsetse tissue tropism with both intra-and extracellular localization (41,48), lack of coevolution with host species (10), and stochastic presence in the field (49,51,65). Similar to Wigglesworthia, Sodalis is vertically transmitted through the maternal milk glands (40,41).…”

Section: Tsetse Microbial Communitymentioning

confidence: 99%

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Interwoven Biology of the Tsetse Holobiont

Snyder

Rio

2013

J Bacteriol

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Microbial symbionts can be instrumental to the evolutionary success of their hosts. Here, we discuss medically significant tsetse flies (Diptera: Glossinidae), a group comprised of over 30 species, and their use as a valuable model system to study the evolution of the holobiont (i.e., the host and associated microbes). We first describe the tsetse microbiota, which, despite its simplicity, harbors a diverse range of associations. The maternally transmitted microbes consistently include two Gammaproteobacteria, the obligate mutualists Wigglesworthia spp. and the commensal Sodalis glossinidius, along with the parasitic Alphaproteobacteria Wolbachia. These associations differ in their establishment times, making them unique and distinct from previously characterized symbioses, where multiple microbial partners have associated with their host for a significant portion of its evolution. We then expand into discussing the functional roles and intracommunity dynamics within this holobiont, which enhances our understanding of tsetse biology to encompass the vital functions and interactions of the microbial community. Potential disturbances influencing the tsetse microbiome, including salivary gland hypertrophy virus and trypanosome infections, are highlighted. While previous studies have described evolutionary consequences of host association for symbionts, the initial steps facilitating their incorporation into a holobiont and integration of partner biology have only begun to be explored. Research on the tsetse holobiont will contribute to the understanding of how microbial metabolic integration and interdependency initially may develop within hosts, elucidating mechanisms driving adaptations leading to cooperation and coresidence within the microbial community. Lastly, increased knowledge of the tsetse holobiont may also contribute to generating novel African trypanosomiasis disease control strategies.

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Section: Tsetse Microbial Communitymentioning

confidence: 99%

Section: Tsetse Microbial Communitymentioning

confidence: 99%

Interwoven Biology of the Tsetse Holobiont

Snyder

Rio

2013

J Bacteriol

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“…Therefore, until now, scientists have been determined the bacterial microbiota of many pests species in both agriculture and forestry (Kuzina et al 2001;Demir et al 2002;Osborn et al 2002;Sezen et al 768 E.S. Secil et al 2004Secil et al , 2005Geiger et al 2009;Gokce et al 2010;Sevim et al 2010Sevim et al , 2012.…”

Section: Introductionmentioning

confidence: 99%

Isolation, characterization and virulence of bacteria from Ostrinia nubilalis (Lepidoptera: Pyralidae)

et al. 2012

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AbstractIsolation, characterization and virulence of the culturable bacteria from entire tissues of larval Ostrinia nubilalis (Hübner) (Lepidoptera: Pyralidae) were studied to obtain new microbes for biological control. A total of 16 bacteria were isolated from living and dead larvae collected from different maize fields in the Eastern Black Sea Region of Turkey. The bacterial microbiota of O. nubilalis were identified as Pseudomonas aeruginosa (On1), Brevundimonas aurantiaca (On2), Chryseobacterium formosense (On3), Acinetobacter sp. (On4), Microbacterium thalassium (On5), Bacillus megaterium (On6), Serratia sp. (On7), Ochrobactrum sp. (On8), Variovorax paradoxus (On9), Corynebacterium glutamicum (On10), Paenibacillus sp. (On11), Alcaligenes faecalis (On12), Microbacterium testaceum (On13), Leucobacter sp. (On14), Leucobacter sp. (On15) and Serratia marcescens (On16) based on their morphological and biochemical characteristics. A partial sequence of the 16S rRNA gene was also determined to confirm strain identification. The highest insecticidal activities were obtained from P. aeruginosa On1 (80%), Serratia sp. On7 (60%), V. paradoxus On9 (50%) and S. marcescens On16 (50%) against larvae 14 days after treatment (p < 0.05). Also, the highest activity from previously isolated Bacillus species was observed from Bacillus thuringiensis subsp. tenebrionis Xd3 with 80% mortality within the same period (p < 0.05). Our results indicate that P. aeruginosa On1, Serratia sp. On7, V. paradoxus On9, S. marcescens On16 and B. thuringiensis subsp. tenebrionis Xd3 show potential for biocontrol of O. nubilalis.

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“…BLAST analysis showed 99% similarity with Enterococcus mundtii (GQ337033). Species of Enterococci are not recorded as reproductive parasites but are generally associated with the digestive organs of insects (Geiger et al, 2009). As Wolbachia and E. mundtii were not systematically detected in thelytokous females and never in pools of gonads, they are not implicated in the thelytoky of V. canescens.…”

Section: Resultsmentioning

confidence: 99%

Occurrence of arrhenotoky and thelytoky in a parasitic wasp Venturia canescens (Hymenoptera: Ichneumonidae): Effect of endosymbionts or existence of two distinct reproductive modes?

Foray¹,

Henri²,

Martı́nez³

et al. 2013

Eur. J. Entomol.

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Abstract. Endosymbiotic organisms are known to manipulate the reproductive biology of their hosts. Incomplete prevalence of endosymbiont inducing thelytokous parthenogenesis results in the coexistence of sexual and asexual individuals, and could account for the maintenance of sexual reproduction in certain populations or species. In the parasitoid Venturia canescens, arrhenotokous ("sexual") and thelytokous ("asexual") individuals occur sympatrically. We aimed to determine whether endosymbionts are implicated in the thelytoky of V. canescens. After screening females of the two reproductive modes for several reproductive parasites: bacteria (Wolbachia, Rickettsia, Bacteroidetes, Spiroplasma, Arsenophonus) and Microsporidia, we concluded that thelytoky in V. canescens is not induced by any of these parasites and confirmed its suitability as a biological model for solving the evolutionary enigma of the maintenance of sexual reproduction.

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First isolation of Enterobacter, Enterococcus, and Acinetobacter spp. as inhabitants of the tsetse fly (Glossina palpalis palpalis) midgut

Cited by 75 publications

References 54 publications

Interwoven Biology of the Tsetse Holobiont

Interwoven Biology of the Tsetse Holobiont

Isolation, characterization and virulence of bacteria from Ostrinia nubilalis (Lepidoptera: Pyralidae)

Occurrence of arrhenotoky and thelytoky in a parasitic wasp Venturia canescens (Hymenoptera: Ichneumonidae): Effect of endosymbionts or existence of two distinct reproductive modes?

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