A Successful Crayfish Invader Is Capable of Facultative Parthenogenesis: A Novel Reproductive Mode in Decapod Crustaceans

Buřič, Miloš; Hulák, Martin; Kouba, Antonín; Petrusek, Adam; Kozák, Pavel

doi:10.1371/journal.pone.0020281

Cited by 47 publications

(44 citation statements)

References 29 publications

(42 reference statements)

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“…Thus, probably only critical events increase the transmission rate for ectosymbiotic fauna to other possible hosts, which, otherwise, would not be infested at all. Further, specimens of O. limosus were taken and used for another study (Buřič et al, 2011) and after the end of this experiment (ca. six months) crayfish were found to be heavily colonized by adults and cocoons of Branchiobdella parasita (Fig.…”

Section: Discussionmentioning

confidence: 99%

Native European branchiobdellids on non-native crayfishes: Report from the Czech Republic

et al. 2017

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Invasive alien species present a global threat to biodiversity, particularly where pathogens and symbionts are involved. Nonnative crayfish species can increase their impact on the host ecosystem through introductions of symbiotic fauna. Conversely, nonnative crayfishes could serve as hosts for native epibionts, thus substituting for disappearing native crayfishes as well. Here we report the presence of native branchiobdellids on naturalized populations of non-native crayfish Orconectes limosus and Pacifastacus leniusculus living in sympatry with native Astacus astacus. The native crayfish species probably served as a source of Branchiobdella spp. for non-native crayfishes. Two species of Branchiobdella (B. parasita and B. pentadonta) were found on P. leniusculus while only B. parasita was found on O. limosus. The level of colonization of inspected specimens and species was also evaluated. The mean number of branchiobdellids found on P. leniusculus and O. limosus was 26.0±15.9, and 64.8±27.7, respectively. Orconectes limosus was more heavily colonized by Branchiobdella despite being significantly smaller than P. leniusculus. Non-native species were corroborated as suitable to host the native epibionts.

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Section: Discussionmentioning

confidence: 99%

Native European branchiobdellids on non-native crayfishes: Report from the Czech Republic

et al. 2017

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“…However, the possibility exists that this reproduction behaviour mode is more widespread among cambarids, and may contribute to the success of this group when colonizing new habitats and territories. Asexual generations may also have contributed to observations of supposed P. clarkii clones by Yue et al (2008), and possibly to significant heterozygote deficiencies observed in Chinese populations of P. clarkii (Yue et al, 2010) as well as in some recent studies of existing invasive populations of O. limosus in the Czech Republic (Filipova et al, 2009), up to now explained by founder effects or assortative mating (Buřič et al, 2011(Buřič et al, , 2013.…”

Section: Parthenogenesismentioning

confidence: 95%

“…Analyses with seven microsatellite loci showed that crayfish females kept physically separate from males, produced genetically homogeneous offspring identical with maternal individuals; this suggests they reproduced by apomixis, unlike those females which mated with males and had a diverse offspring. Also, according to Buřič et al (2011) studies complemented by the genetic analysis of variable nuclear markers, prove that at least one species of cambarid crayfish is capable of facultative parthenogenesis. However, the possibility exists that this reproduction behaviour mode is more widespread among cambarids, and may contribute to the success of this group when colonizing new habitats and territories.…”

Section: Parthenogenesismentioning

confidence: 99%

“…With the exception of the marbled crayfish, with its obligatory reproduction by apomictic parthenogenesis (Martin et al, 2007), the only other decapod species for which a potential for asexual reproduction has been suggested are the red swamp crayfish P. clarkii (Yue et al, 2008) and spiny-cheek crayfish O. limosus (Buřič et al, 2011). For the explanation of facultative parthenogenesis in O. limosus, these authors provided experimental evidence that females of the spiny-cheek crayfish are capable of facultative parthenogenesis.…”

Section: Parthenogenesismentioning

confidence: 99%

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Different aspects of reproduction strategies in crayfish: A review

Yazicioglu

Reynolds

Kozák

2016

Knowl. Manag. Aquat. Ecosyst.

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-Study of the reproductive strategy of crayfish species is of great importance in the current astacological world. Crayfish are among the largest freshwater invertebrates, and as keystone species, they are able to regulate the structure of the benthic fauna in the freshwaters, demonstrating different ecological strategies and life spans ranging up to 20+ years. In order to bring together the various pieces of information related to this issue, this overview of published scientific reports was conducted. The majority of crayfish species studied show sexual dimorphism, with approximately equal numbers of males and females. However, over some decades numerous observations have been made for a few species that may have different modes of reproduction, such as hermaphroditism or intersex (e.g. Cherax quadricarinatus, Samastacus spinifrons, Parastacus virilastacus and Pacifastacus leniusculus) and parthenogenesis (only Procambarus fallax f. virginalis).A recent study showed a new case of parthenogenesis as apomictic parthenogenesis (only Orconectes limosus). In addition, there are many investigations into the reproduction biology of crayfish, including using eyestalk ablation or androgenic gland ablation under various lab conditions and hybridization under natural conditions (e.g. Astacus astacus X Astacus leptodactylus, Orconectes rusticus X Orconectes propinquus). There are also some chemical factors which could possibly affect the reproduction system of crayfish in the wild.Key-words: crustacea / parthenogenesis / intersex / hybridization Résumé -Différents aspects des stratégies de reproduction des écrevisses : une revue. L'étude de la stratégie de reproduction des espèces d'écrevisses est d'une grande importance dans le monde astacicole actuel. Les écrevisses sont parmi les plus grands invertébrés d'eau douce, et comme des espèces clés, elles sont capables de réguler la structure de la faune benthique dans les eaux douces, présentant différentes stratégies écologiques et des durées de vie allant jusqu'à 20 ans. Afin de réunir les différents éléments d'information relatifs à cette question, une revue des publications scientifiques a été conduite. La majorité des espèces d'écrevisses étudiées montrent un dimorphisme sexuel, avec un nombre approximativement égal de mâles et de femelles. Cependant, depuis quelques décennies, de nombreuses observations ont été faites pour quelques espèces qui peuvent avoir différents modes de reproduction, tels que l'hermaphrodisme ou l'intersexe (par exemple Cherax quadricarinatus, Samastacus spinifrons, Parastacus virilastacus et Pacifastacus leniusculus) et la parthénogenèse (seulement Procambarus fallax f. virginalis). Une étude récente a montré un nouveau cas de parthénogenèse, une parthénogenèse apomictique (seulement Orconectes limosus). En outre, il y a beaucoup de recherches sur la biologie de la reproduction de l'écrevisse, y compris celle de l'ablation du pédoncule oculaire ou ablation de la glande androgène dans diverses conditions de laboratoire et de l'hybridati...

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“…Yue et al, 2008;Buřič et al, 2011). Marmorkrebs, or the marbled crayfish, was first identified as a parthenogenetic decapod (Scholtz et al, 2003).…”

Section: Introductionmentioning

confidence: 99%

Androgenic Gland Implantation Induces Partial Masculinization in MarmorkrebsProcambarus fallaxf.virginalis

2015

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The androgenic gland in malacostracan crustacean species produces and secretes androgenic gland hormone, which is responsible for male sexual differentiation, such as the induction and development of male sexual traits, and in turn the suppression of female sexual traits. Marmorkrebs, Procambarus fallax forma virginalis, which was identified as the first parthenogenetic species in decapod crustaceans, produces only female offspring. In this study, in order to reveal whether the Marmorkrebs crayfish is sensitive to androgenic gland hormone, we transplanted an androgenic gland from a related congener, P. clarkii, to P. fallax f. virginalis. In androgenic glandimplanted specimens, partial masculinization was confirmed: the masculinization of several external sexual characteristics (i.e., thickening of the first and second pleopods; formation of reverse spines on the third and fourth pereopods) was detected, whereas that of internal sexual characteristics (e.g., the formation of ovotestes and male gonoducts) was not. Our results imply that P. fallax f. virginalis still has sensitivity to the androgenic gland hormone and, at least partly, the hormone should be able to induce male characteristics, even in parthenogenetic Marmorkrebs.

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A Successful Crayfish Invader Is Capable of Facultative Parthenogenesis: A Novel Reproductive Mode in Decapod Crustaceans

Cited by 47 publications

References 29 publications

Native European branchiobdellids on non-native crayfishes: Report from the Czech Republic

Native European branchiobdellids on non-native crayfishes: Report from the Czech Republic

Different aspects of reproduction strategies in crayfish: A review

Androgenic Gland Implantation Induces Partial Masculinization in MarmorkrebsProcambarus fallaxf.virginalis

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