Development of respiratory trees in the holothurian Apostichopus japonicus (Aspidochirotida: Holothuroidea)

Dolmatov, Igor Yu.; Frolova, Lidia T.; Zakharova, Ekaterina; Ginanova, Talia T.

doi:10.1007/s00441-011-1280-9

Cited by 17 publications

(11 citation statements)

References 19 publications

(16 reference statements)

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“…Correspondingly, the respiratory system of C. schmeltzii develops from endodermal tissues, which is confirmed by the similarity of the morphology of the luminal epithelia of the respiratory trees to that of the posterior portion of the intestine and by the lack of a cuticle. The formation of respiratory trees in C. schmeltzii following fission is very similar to the regeneration and development of these organs in the holothurian Apostichopus japonicus (Dolmatov and Ginanova, ; Dolmatov et al, ). The specialization of cells of the luminal epithelium of respiratory trees begins as early as it does in A. japonicus .…”

Section: Discussionmentioning

confidence: 74%

“…The lamellae likely play an important role in respiration by increasing the surface area and, accordingly, the gas exchange rate (Doyle and McNeill, ). In holothurians, the luminal epithelium of the respiratory trees already displays sufficiently developed lamellae in the early stages of development (Dolmatov and Ginanova, ; Dolmatov et al, ; present article). This early specialization of the luminal epithelium of respiratory trees is apparently related to the significance of these organs for maintaining the life activities of holothurians.…”

Section: Discussionmentioning

confidence: 75%

“…The main function of respiratory trees in holothurians is gas exchange (Smiley, ). Two characteristic features of the ultrastructural organization of these organs, i.e., the long apical lamellae and a well‐developed system of septate junctions, are most likely related to this function (Dolmatov and Ginanova, ; Dolmatov and Mashanov, ; Dolmatov et al, ; Doyle and McNeill, ; Kamenev et al, ). Septate junctions are widely observed among invertebrates and play a major role in the barrier function of epithelia (Banerjee et al, ).…”

Section: Discussionmentioning

confidence: 99%

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Posterior regeneration following fission in the holothurian Cladolabes schmeltzii (Dendrochirotida: Holothuroidea)

Kamenev

Dolmatov

2015

Microscopy Res & Technique

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The regeneration of the posterior portion of the body after fission was studied in the holothurian Cladolabes schmeltzii using electron microscopy methods. Following fission, the aquapharyngeal complex, gonad and anterior portion of the first descending part of the intestine remain in the anterior fragment of the body. The entire regeneration process is divided into five stages. In the first three stages, the digestive system and damaged ends of the longitudinal muscle bands regenerate. The intestine is formed through the rearrangement and growth of the remaining portion of the first descending part of the intestine. The gut anlage grows down the mesentery and joins the regenerating cloaca. The cloaca is formed from two sources: its posterior portion appears as a result of immersion of the epidermis, while the anterior portion develops from the terminal segment of the growing intestine. Regeneration of muscles progresses in the typical manner for echinoderms: through immersion and myogenic transformation of the coelomic epithelium. Respiratory trees appear in animals when the growth of the external part of the body has begun (fourth stage). They are formed as an outgrowth of the dorsal wall of the anterior portion of the cloaca. It was concluded that regeneration of the posterior portion of the body in the holothurian C. schmeltzii following fission is realized through morphallactic rearrangements of the remaining parts of organs. The main mechanism through which the digestive, respiratory, and contractile systems are formed is epithelial morphogenesis.

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Section: Discussionmentioning

confidence: 74%

Section: Discussionmentioning

confidence: 75%

Section: Discussionmentioning

confidence: 99%

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Posterior regeneration following fission in the holothurian Cladolabes schmeltzii (Dendrochirotida: Holothuroidea)

Kamenev

Dolmatov

2015

Microscopy Res & Technique

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“…integrity of the digestive system is restored. Respiratory trees in the anterior fragment develop through the transformation of the dorsal wall of the anterior region of the cloaca (Dolmatov and Ginanova 2009;Dolmatov et al, 2011). According to Dolmatov and Ginanova (2001) muscle regeneration process appears to be due to the coelomic epithelial cells which apparently dedifferentiate, migrate and invade the muscle bands where they differentiate into muscle bundle rudiments, finally giving rise to new muscle cells.…”

Section: Resultsmentioning

confidence: 99%

The Growth of Sea cucumber Stichopus herrmanni After Transverse Induced Fission in Two and Three Fission Plane

Hartati¹,

Widianingsih²,

Endrawati³

2016

Indo. J. Mar. Sci.

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Transverse induced fission proven could be done in Teripang Tril, Stichopus herrmanni. This present works aimed to analyze wound recovery, regeneration period and growth of Teripang Trill after asexual reproduction by fission using two and three fission plane. Observations were made every day until the sea cucumber body separated into two or more (depending on treatment) and reared for 16 weeks. The results showed that there are differences in wound recovery, regeneration period and growth of S. herrmanni depend on their different fission plane. The wound recovery and regeneration period (days) of anterior, middle and posterior individu S. herrmanni resulted from two and three fission plane were varied but the two fission plane the anterior individu recover for longer period than posterior part and the wound recover process in both end for thee fission plane was same. Average growth of anterior and posterior fragment were longer for two fission plane than three fission plane. The middle fragment (M1 and M2) both fission plane was able to grow but very low. It showed that three fission plane gave very slow growth in every fragment of the body. Keywords: growth, post-fission, fission plane, Stichopus herrmanni

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“…These cells have lamellae on the apical surface and are connected with one another through a complex of specific intercellular junctions during the early stages of formation. Therefore, the regeneration of respiratory trees in C. schmeltzii is similar to the development and regeneration of these organs after evisceration in Apostichopus japonicus [92, 93]. …”

Section: Regeneration Of Internal Organs After Fissionmentioning

confidence: 99%

Asexual Reproduction in Holothurians

Dolmatov

2014

The Scientific World Journal

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Aspects of asexual reproduction in holothurians are discussed. Holothurians are significant as fishery and aquaculture items and have high commercial value. The last review on holothurian asexual reproduction was published 18 years ago and included only 8 species. An analysis of the available literature shows that asexual reproduction has now been confirmed in 16 holothurian species. Five additional species are also most likely capable of fission. The recent discovery of new fissiparous holothurian species indicates that this reproduction mode is more widespread in Holothuroidea than previously believed. New data about the history of the discovery of asexual reproduction in holothurians, features of fission, and regeneration of anterior and posterior fragments are described here. Asexual reproduction is obviously controlled by the integrated systems of the organism, primarily the nervous system. Special molecular mechanisms appear to determine the location where fission occurs along the anterior-posterior axis of the body. Alteration of the connective tissue strength of the body wall may play an important role during fission of holothurians. The basic mechanism of fission is the interaction of matrix metalloproteinases, their inhibitors, and enzymes forming cross-link complexes between fibrils of collagen. The population dynamics of fissiparous holothurians are discussed.

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Development of respiratory trees in the holothurian Apostichopus japonicus (Aspidochirotida: Holothuroidea)

Cited by 17 publications

References 19 publications

Posterior regeneration following fission in the holothurian Cladolabes schmeltzii (Dendrochirotida: Holothuroidea)

Posterior regeneration following fission in the holothurian Cladolabes schmeltzii (Dendrochirotida: Holothuroidea)

The Growth of Sea cucumber Stichopus herrmanni After Transverse Induced Fission in Two and Three Fission Plane

Asexual Reproduction in Holothurians

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