An ultrastructural study of the mantle of the barnacle, Elminius modestus Darwin in relation to shell formation

Bubel, A.

doi:10.1016/0022-0981(75)90088-x

Cited by 32 publications

(19 citation statements)

References 26 publications

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“…Some microtubules in Artemia tendon cells appear to associate end-on with the apical membrane surface, as is the case in other species (Caveney, 1969;Talbot et al, 1972;Bubel, 1975). In comparison, microtubules in barnacle (Bubel, 1975) and brown shrimp (Talbot Fig.…”

Section: Discussionmentioning

confidence: 86%

“…Similar structures in other species were given different names, including tonofibrils, tonofibrillae, and tonofilaments (LaiFook, 1967;Poodry, 1980;Fryberg et al, 1990;Reedy and Beall, 1993;Tucker et al, 2004). Rod-like elements are called intra-exoskeletal rods in barnacles, where they originate in membrane invaginations referred to as conical hemidesmosomes or hemidesmosomes (Bubel, 1975), muscle attachment fibers that arise in conical hemidesmosomes of Apterygota (Caveney, 1969), intracuticular fibers that form in conical hemidesmosomes of the larval brown shrimp (Talbot et al, 1972), or they are unnamed (Nakazawa et al, 1992). The folded basal membrane regions of Artemia tendon cells are characterized by electron-dense regions, as found commonly in other species (Talbot et al, 1972;Koulish, 1973;Bubel, 1975;Poodry, 1980;Fryberg et al, 1990;Nakazawa et al, 1992;Nakazawa and Ishikawa, 1993;Reedy and Beall, 1993), and they may mediate microtubule attachment.…”

Section: Discussionmentioning

confidence: 97%

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Spatial organization and isotubulin composition of microtubules in epidermal tendon cells ofArtemia franciscana

2004

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Epidermally derived tendon cells attach the exoskeleton (cuticle) of the Branchiopod crustacean, Artemia franciscana, to underlying muscle in the hindgut, while the structurally similar transalar tendon (epithelial) cells, which also arise from the epidermis and are polarized, connect dorsal and ventral exopodite surfaces. To establish these latter attachments the transalar tendon cells interact with cuticles on opposite sides of the exopodite by way of their apical surfaces and with one another via basal regions, or the cuticle attachments may be mediated through linkages with phagocytic storage cells found in the hemolymph. In some cases, phyllopod tendon cells attach directly to muscle cells. Tendon cells in the hindgut of Artemia possess microtubule bundles, as do the transalar cells, and they extend from the basal myotendinal junction to the apical domain located near the cuticle. The bundled microtubules intermingle with thin filaments reminiscent of microfilaments, but intermediate filament-like structures are absent. Microtubule bundles converging at apical cell surfaces contact structures termed apical invaginations, composed of cytoplasmic membrane infoldings associated with electron-dense material. Intracuticular rods protrude from apical invaginations, either into the cuticle during intermolt or the molting fluid in premolt. Confocal microscopy of immunofluorescently stained samples revealed tyrosinated, detyrosinated, and acetylated tubulins, the first time posttranslationally modified isoforms of this protein have been demonstrated in crustacean tendon cells. Microfilaments, as shown by staining with phalloidin, coincided spatially with microtubule bundles. Artemia tendon cells clearly represent an interesting system for study of cytoskeleton organization within the context of cytoplasmic polarity and the results in this article indicate functional cooperation of microtubules and microfilaments. These cytoskeletal elements, either acting independently or in concert, may transmit tension from muscle to cuticle in the hindgut and resist compression when connecting exopodite cuticular surfaces.

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Section: Discussionmentioning

confidence: 86%

Section: Discussionmentioning

confidence: 97%

Spatial organization and isotubulin composition of microtubules in epidermal tendon cells ofArtemia franciscana

2004

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“…The tendon cell filled with microtubuli is also observed in nonmalacostracans (Barnacle: Koulish, 1973;Bubel, 1975;Daphnia: Schultz and Kennedy, 1977;Ostracod: Okada, 1983). Copepods may also have tubules although described as tonofilaments (Bouligand, 1962).…”

Section: Discussionmentioning

confidence: 91%

“…10). In ostracods (Okada, 1983), barnacles (Bubel, 1975), copepods (Bouligand, 1962;Gharagozlou-van Ginneken and Bouligand, 1973;Briggs, 1979) and Drosophila (Prokop et al, 1998) deep hemidesmosomes invaginate on the apical side of the tendon cell from which a bundle of tonofibrils intrudes into the cuticle. These structures are called conical hemidesmosomes and are similar to the pits of D. typica.…”

Section: Discussionmentioning

confidence: 98%

The ultrastructure of the striated muscles of Derocheilocaris typica (Mystacocarida, Crustacea)

Elofsson¹,

Hessler²

2013

Arthropod Structure & Development

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“…Several studies have shown that bundles of microtubules (MTs) extend from the myotendinal junction (muscle insertion site) to the apical surface where they embed in the cuticle via specialized tonofibrillae (Lai-Fook, 1967;Talbot et al, 1972;Koulish, 1973;Bubel, 1975;Nakazawa et al, 1992;Nakazawa and Ishikawa, 1993). Presumably, the microtubules strengthen and support the cell as tension from muscle contraction is transmitted to the cuticle.…”

Section: Introductionmentioning

confidence: 97%

Relative growth of the tendinal cell and muscle in larvalArtemia

Freeman

Whittington

MacRae

1995

Invertebrate Reproduction & Development

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Antenna1 tendinal cells of the brine shrimp Anemia are modified epidermal cells containing acentric bundles of microtubules and microfilaments that traverse the cell from the muscle insertion site on the basal surface to the cuticle on the apical surface. Morphometric determinations of growth of the antenna1 endite retractor muscle revealed that the muscle increased in length and width, and the nuclei replicated during the fourth instar. The attached tendinal cell, however, demonstrated no increase in the area of the microtubule-and microfilament-rich region or the apical surface, and the nucleus remained in G 1, showing that muscle growth can occur without an equivalent increase in microtubules and microfilaments in the tendinal cell. The basal membrane associated with the muscle insertion site was the only region of the tendiial cell to increase in dimension. Expansion of this region preceded growth of the muscle, suggesting that interactions at the muscle insertion-tendinal cell junction may be involved in coordinated growth of the muscle and epidermis.

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An ultrastructural study of the mantle of the barnacle, Elminius modestus Darwin in relation to shell formation

Cited by 32 publications

References 26 publications

Spatial organization and isotubulin composition of microtubules in epidermal tendon cells ofArtemia franciscana

Spatial organization and isotubulin composition of microtubules in epidermal tendon cells ofArtemia franciscana

The ultrastructure of the striated muscles of Derocheilocaris typica (Mystacocarida, Crustacea)

Relative growth of the tendinal cell and muscle in larvalArtemia

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