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Wobst, Birgit; Farine, Jean‐Pierre; Giniès, Christian; Sémon, Étienne; Robert, Alain; Bonnard, Odile; Connétable, Sophie; Bordereau, Christian

doi:10.1023/a:1020922708599

Cited by 24 publications

(4 citation statements)

References 20 publications

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“…These fungi may provide the chemical cues for termites to locate and make tunnels toward food sources. For example, the chemical (Z,Z,E)-3,6,8-dodecatrien-1-ol produced by G. trabeum has been identified as the major component of trail-following pheromone in various termite species such as Reticulitermes lucifugus grassei Clément, Reticulitermes santonensis Feytaud, and Reticulitermes hesperus Banks (Matsumura et al, 1976;Laduguie et al, 1994;Wobst et al, 1999;Saran et al, 2007). In addition, the presence of wood-rotting fungi could bring nutritional benefits to termites by providing proteins and improving their ability to metabolize lignocellulose (Waller and La Fage, 1987;Brune and Dietrich, 2015;Peterson and Scharf, 2016).…”

Section: Discussionmentioning

confidence: 99%

Trichoderma Species Attract Coptotermes formosanus and Antagonize Termite Pathogen Metarhizium anisopliae

et al. 2020

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Although subterranean termites live within soil, little attention has been paid on the potential interaction among subterranean termites and soil microbes. Herein, we conducted different choice tests to investigate aggregation and tunneling behaviors of Coptotermes formosanus Shiraki responding to soil/sand treated with conidia of seven soil fungi, Trichoderma longibrachiatum Rifai, Trichoderma koningii Oud., Trichoderma hamatum (Bon.) Bain., Trichoderma atroviride Karsten, Trichoderma spirale Indira and Kamala, Trichoderma harzianum Rifai, and Trichoderma viride Pers. ex Fries. In aggregation-choice test, soil treated with nearly all Trichoderma species tested (except T. koningii) significantly increased termite aggregation compared with untreated soil. In tunneling-choice tests, termites produced significantly larger tunnels in sand treated with T. longibrachiatum or T. koningii than that in untreated sand. We hypothesized that Trichoderma species could benefit termites by protecting them from infection of the entomopathogenic fungus Metarhizium anisopliae (Metschn) Sorokin, and three Trichoderma species that attracted termites (T. longibrachiatum, T. atroviride, and T. harzianum) were tested. The antagonism tests showed that the three Trichoderma species suppressed growth of M. anisopliae. Also, the median lethal time (LT 50) of termites exposed to both Trichoderma species and M. anisopliae was significantly longer than termites exposed to M. anisopliae alone. Interestingly, though significantly fewer termites aggregated in soil treated with M. anisopliae conidia compared with untreated soil, M. anisopliae conidia mixed with T. longibrachiatum or T. harzianum were no longer repellent to termites. Our results showed that the fungi in the genus Trichoderma (1) exerted generally attractive effects on termites, (2) protected termites from the infection of entomopathogenic fungus, and (3) altered pathogen-avoiding behaviors of termites. Future studies will be required to understand the mechanisms underlying these newly discovered effects.

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Section: Discussionmentioning

confidence: 99%

Trichoderma Species Attract Coptotermes formosanus and Antagonize Termite Pathogen Metarhizium anisopliae

et al. 2020

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“…santonensis: (Laduguie et al, 1994), Re. lucifugus grassei: (Wobst et al, 1999), Re. virginicus: (Matsumura et al, 1968) Species with an asterisk indicate that the same compound(s) is used both for the sex-paring pheromone and the trail pheromone.…”

Section: Aggregation Pheromonesmentioning

confidence: 99%

A Review of Termite Pheromones: Multifaceted, Context-Dependent, and Rational Chemical Communications

Mitaka

Akino

2021

Front. Ecol. Evol.

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Termite colonies, composed of large numbers of siblings, develop an important caste-based division of labor; individuals in these societies interact via intra- or intercaste chemical communications. For more than 50 years, termites have been known to use a variety of pheromones to perform tasks necessary for maintenance of their societies, similar to eusocial hymenopterans. Although trail-following pheromones have been chemically identified in various termites, other types of pheromones have not been elucidated chemically or functionally. In the past decade, however, chemical compositions and biological functions have been successfully identified for several types of termite pheromones; accordingly, the details of the underlying pheromone communications have been gradually revealed. In this review, we summarize both the functions of all termite pheromones identified so far and the chemical interactions among termites and other organisms. Subsequently, we argue how termites developed their sophisticated pheromone communication. We hypothesize that termites have diverted defensive and antimicrobial substances to pheromones associated in caste recognition and caste-specific roles. Furthermore, termites have repeatedly used a pre-existing pheromone or have added supplementary compounds to it in accordance with the social context, leading to multifunctionalization of pre-existing pheromones and emergence of new pheromones. These two mechanisms may enable termites to transmit various context-dependent information with a small number of chemicals, thus resulting in formation of coordinated, complex, and rational chemical communication systems.

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“…10 Other data suggest that trail pheromones probably are multicomponent systems. Wobst et al also state that in termite species in which the workers do not forage the nest, secretions of their external gland probably allow them to mark and recognize their environment and to coordinate their activities of excavating.…”

Section: Electroantennographic Responses Of Heterotermes Tenuismentioning

confidence: 99%

“…(3Z)-Dodecen-1-ol was found in Macrotermes annandalei 6 and (3Z,6Z)-dodecadien-1-ol in other fungus-growing termites. 7 (3Z,6Z,8E)-Dodecatrien-1-ol (1) has been identified as the major component of the trail-following pheromone in the Rhinotermitidae family among the species Reticulitermes virginicus, 8 R. santonesis, 9,10 R. lucifugus grassei, 10 R. speratus, 11 and Coptotermes formosanus. 12 (3Z,6Z,8E)-Dodecatrien-1-ol is also the major component of the sex pheromone of some alates as Reticulitermes santonesis 9 and R. lucifugus grassei.…”

Section: Introductionmentioning

confidence: 99%

Electroantennographic responses of Heterotermes tenuis (Isoptera: Rhinotermitidae) to synthetic (3Z,6Z,8E)-Dodecatrien-1-ol

Batista-Pereira¹,

Santos²,

Corrêa³

et al. 2004

J. Braz. Chem. Soc.

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O cupim subterrâneo Heterotermes tenuis (Isoptera: Rhinotermitidae) é uma importante praga na economia brasileira, causando danos em reflorestamentos de eucalipto e plantações de cana-deaçúcar. O (3Z,6Z,8E)-dodecatrien-1-ol tem sido descrito como feromônio de trilha em várias espécies da família Rhinotermitidae. Este trabalho teve como objetivo sintetizar este trieno e determinar, através da eletroantenografia, a seletividade e sensibilidade dos receptores antenais de H. tenuis ao (3Z,6Z,8E)-dodecatrien-1-ol e ao seu respectivo extrato de glândula esternal.The subterranean termite Heterotermes tenuis (Isoptera: Rhinotermitidae) is a pest of great importance for the Brazilian economy as it causes serious damages in commercial reforestations of Eucalyptus spp. and sugarcane cultures. (3Z,6Z,8E)-Dodecatrien-1-ol has been identified as a pheromone of some species of subterranean termites. The objective of this research was to synthesize (3Z,6Z,8E)-dodecatrien-1-ol and determine by electroantennographic (EAG) bioassays the selectivity and sensitivity of H. tenius antennae to its whole worker extract and to the synthetic triene alcohol.

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Untitled

Cited by 24 publications

References 20 publications

Trichoderma Species Attract Coptotermes formosanus and Antagonize Termite Pathogen Metarhizium anisopliae

Trichoderma Species Attract Coptotermes formosanus and Antagonize Termite Pathogen Metarhizium anisopliae

A Review of Termite Pheromones: Multifaceted, Context-Dependent, and Rational Chemical Communications

Electroantennographic responses of Heterotermes tenuis (Isoptera: Rhinotermitidae) to synthetic (3Z,6Z,8E)-Dodecatrien-1-ol

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