Ultrastructural Changes Induced by Sodium Pentachlorophenate in the Grass Shrimp, Palaemonetes pugio, in Relation to the Molt Cycle

Doughtie, Daniel G.; Rao, K. Ranga

doi:10.1007/978-1-4615-8948-8_21

Cited by 14 publications

(9 citation statements)

References 39 publications

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“…Similarly, the presence of microtubules was reported for P. pugio, and also for the thick cells in some crabs and crayfish (Doughtie & Rao, 1978;Taylor & Taylor, 1992;Luquet et al, 2000). These microtubules can be involved in the transport of cellular components, and might in addition have a cytoskeletal role (Doughtie & Rao, 1978;Taylor & Taylor, 1992).…”

Section: Discussionmentioning

confidence: 66%

“…McNamara & Lima, 1997). In contrast, in Palaemonetes pugio, basolateral infoldings have not been described (Doughtie & Rao, 1978). On the other hand, the lower surface of the flanges in P. argentinus presents no invaginations or associated mitochondria, which suggests that it is not involved in ion transport.…”

Section: Discussionmentioning

confidence: 88%

“…Taylor & Taylor, 1992 and in P. pugio (cf. Doughtie & Rao, 1978), the flange cell cytoplasm appears to constitute part of the intralamellar septum. McNamara & Lima (1997) found in M. olfersii that the basal surface of the flange cell cytoplasm was linked to the adjacent septal cells through many basolateral junctions, and the septal cells showed characteristics of salt-transporting cells.…”

Section: Discussionmentioning

confidence: 98%

“…Pike, 1947), and the caridean prawns, Palaemonetes varians (Leach, 1814) (Taylor & Taylor, 1992), Palaemonetes pugio Holthuis, 1949 (cf. Doughtie & Rao, 1978, 1982a, and Macrobrachium olfersii (Wiegmann, 1836) (cf. Freire & McNamara, 1995).…”

Section: Introductionmentioning

confidence: 98%

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Gill morphology and ultrastructure of the prawn, Palaemonetes argentinus Nobili, 1901 (Decapoda, Caridea)

Petriella

Sousa

2005

Crustac

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A morphological and ultrastructural study was performed on the gills of Palaemonetes argentinus from the Sotelo stream, a tributary of the Mar Chiquita coastal lagoon (Argentina, 37 • 45 S 57 • 26 W). This species possesses a phyllobranchiate gill, in which the central axis is triangular and has one row of flattened lamellae on each side. There are one afferent channel, two efferent channels, and several tegumental glands along the axis. Nephrocytes are only present in the stem, associated with the efferent haemolymph. Mature nephrocytes have a voluminous vacuole, surrounded by satellite vacuoles, a lateral nucleus, and pedicels on the surface. In the lamellae, the principal cells have apical extensions with deep infoldings and a neck-like zone with bundles of microtubules. The nucleus is in a basal expansion of the cell and the basolateral membranes of neighbouring cells are interdigitated, with large numbers of mitochondria in the interdigitations. The cells show characteristics of both respiratory and ion-regulatory epithelium; they also have a structural role in directing the haemolymph flow and in supporting the lamellae. The thicker cuticle near the marginal channel increases mechanical support. The ultrastructure of the lamellar epithelium appears to be related to the capability of P. argentinus of living in freshwater and adapting to media with variable salinity. RESÚMENSe realizó un estudio morfológico y ultraestructural de las branquias del camarón Palaemonetes argentinus del arroyo Sotelo, tributario de la laguna costera de Mar Chiquita (Argentina, 37 • 45 S 57 • 26 W). Esta especie posee filobranquias, cuyo eje central tiene forma triangular y posee una hilera de laminillas aplanadas a cada lado. Hay un canal aferente, dos canales eferentes y glándulas tegumentarias a lo largo del eje. Se observaron nefrocitos asociados con la hemolinfa eferente en el eje central. Los nefrocitos maduros tienen una vacuola voluminosa rodeada por vacuolas satélite, un núcleo lateral y pedicelos en la superficie. En las laminillas las células principales tienen extensiones apicales con profundos pliegues y una zona más estrecha con numerosos microtúbulos. El núcleo se ubica en una expansion basal y las membranas basolaterales de las células vecinas se interdigitan encerrando numerosas mitocondrias. Estas células muestran características de un epitelio respiratorio y osmorregulador. También tienen una función estructural: dirigen el flujo de la hemolinfa y 3 )

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Section: Discussionmentioning

confidence: 66%

Section: Discussionmentioning

confidence: 88%

Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 98%

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Gill morphology and ultrastructure of the prawn, Palaemonetes argentinus Nobili, 1901 (Decapoda, Caridea)

Petriella

Sousa

2005

Crustac

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“…Flange cells are the principal epithelial cells of the gills of palaemonid and penaeid shrimps. 42,43 Desmosome cellular junctions have been described in these cells, intermediate ®laments or actin micro®-laments normally terminate at these junctions. However, in the gill of the crustacean Carcinus maenas bundles of microtubules terminate at the desmosomes of the gill epithelial pilar cells.…”

Section: ±41mentioning

confidence: 99%

Cross‐reactivity of some antibodies to human epitopes with shrimp Pandalus borealis proteins: a possible aid in validation and characterization of crustacean cells in vitro

Lyons-Alcantara¹,

Lambkin²,

Nordmo

et al. 2002

Cell Biochemistry & Function

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Cell characterization of primary cultures in vertebrates is well established but not in marine invertebrates. This fact is hampering advances in the development of tissue cultures from this species. In the present study, a panel of antibodies to structural proteins, stress proteins, oncogenes and proliferation antigens, developed against mammalian antigens, were tested in paraffin sections of the crustacean Pandalus borealis tissues. Several tissues were analysed: hepatopancreas, gills, ovaries, epithelium under the cuticle and abdominal muscle. Specific antibodies to crustacean proteins are not commercially available. The immunocytochemical results show that antibodies to human epitopes cross-react with antigens in the crustacean Pandalus borealis indicating that some cellular proteins are highly conserved in evolution. Cytokeratin, proliferating cell nuclear antigen, ras and p-glycoprotein were detected by immunocytochemistry in Pandalus borealis. No immunoreactivity for Ki-67 and metallothionein was observed. This system can help in validation and characterization of invertebrate cultures.

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Ultrastructure of an exocrine dermal gland in the gills of the grass shrimp, Palaemonetes pugio: Occurrence of transitory ciliary axonemes associated with the sloughing and reformation of the ductule

Dtughtie

Rao

1979

Journal of Morphology

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Exocrine dermal glands, comparable to the class 3 glandular units of insects, are found in the gills of the grass shrimp, Palaemonetes pugio. The dermal glands are composed of three cells: secretory cell, hillock cell and canal cell. Originating as a complex invagination of the apical cytoplasm of the granular secretory cell, a duct ascends through the hillock and canal cells to the cuticular surface. The duct is divisible into four regions: the secretory apparatus in the granular secretory cell, the locular complex, the hillock region within the hillock cell and the canal within the canal cell. A tubular ductule is contained within the latter two regions. As the ductule ascends to the cuticular surface, its constitution gradually changes from one of a fibrous material to one which possesses layers of epicuticle. During the proecdysial period, the ductule is extruded into the ecdysial space and this is followed by the secretion of a new ductule. Temporary ciliary structures, located near the secretory apparatus of the secretory cell, are associated with the extrusion and reformation of the ductule. Characterized only by a basal body and rootlets throughout most of the intermolt cycle, the ciliary organelles give rise to temporary axonemic processes which ascend through the ductule toward the ecdysial space at the onset of proecdysis. Subsequently, the old ductule is sloughed off and a new ductule is reformed around the ciliary axonemes. Following this reformation, the ciliary axonemes degenerate. The function of cytoplasmic processes, derived from the apical cytoplasm of the secretory cell, is also discussed.

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Ultrastructural Changes Induced by Sodium Pentachlorophenate in the Grass Shrimp, Palaemonetes pugio, in Relation to the Molt Cycle

Cited by 14 publications

References 39 publications

Gill morphology and ultrastructure of the prawn, Palaemonetes argentinus Nobili, 1901 (Decapoda, Caridea)

Gill morphology and ultrastructure of the prawn, Palaemonetes argentinus Nobili, 1901 (Decapoda, Caridea)

Cross‐reactivity of some antibodies to human epitopes with shrimp Pandalus borealis proteins: a possible aid in validation and characterization of crustacean cells in vitro

Ultrastructure of an exocrine dermal gland in the gills of the grass shrimp, Palaemonetes pugio: Occurrence of transitory ciliary axonemes associated with the sloughing and reformation of the ductule

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