Time related changes in the free amino acid pool of the sea anemone, Bunodosoma cavernata, during salinity stress

Kasschau, Margaret R.; Ragland, Jo B.; Pinkerton, Susan O.; Chit, Edward C.M.

doi:10.1016/0300-9629(84)90724-2

Cited by 15 publications

(20 citation statements)

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“…Similarly, pre-incubation with N-methyl i-alanine or N,Ndimethyl i-alanine increased radiolabel in the subsequent methylated products (data not shown). i-alanine is known to accumulate in response to salinity in marine animals and hence, is thought to be an osmotic effector (Kasschau et al 1984). It is also a protectant of enzymes in vitro against injury by salt (Yancey et al 1982).…”

Section: Discussionmentioning

confidence: 99%

Osmoprotectant β‐alanine betaine synthesis in the Plumbaginaceae: S‐adenosyl‐ l‐methionine dependent N‐methylation of β‐alanine to its betaine is via N‐methyl and N,N‐dimethyl β‐alanines

Rathinasabapathi

Sigua

et al. 2000

Physiologia Plantarum

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Alanine betaine is an osmoprotective compound accumu-donor. Leaf extracts from -alanine betaine accumulators -Armeria maritima, L. latifolium and L. ramosissimum -had lated by most members of the plant family Plumbaginaceae. Leaf and root tissues of Limonium latifolium known to accu-detectable NMT activities while none were found in L. perezii, mulate -alanine betaine readily convert supplied -alanine to a species that does not accumulate -alanine betaine. The -alanine betaine. To identify the intermediates and the en-NMT activities were further characterized from the leaves of zymes involved in -alanine betaine synthesis, radiotracer L. latifolium. The activities had a pH optimum of 8.0, were experiments using [ 14 C] formate were employed. These studies soluble and inhibited by S-adenosyl-L-homocysteine. Extractable activities were similar from plants grown under demonstrate that -alanine betaine is synthesized from -alanine via N-methyl and N,N-dimethyl -alanines. A rapid and control and salinity stress conditions. Radiolabeling with [ 14 C] L-aspartic acid indicated that, unlike in bacteria, decarboxyla-sensitive radiometric assay was developed to measure Ntion of L-aspartic acid is not the source of -alanine in the methyltransferase (NMT) activities by using [methyl-14 C] or Plumbaginaceae.

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Section: Discussionmentioning

confidence: 99%

Osmoprotectant β‐alanine betaine synthesis in the Plumbaginaceae: S‐adenosyl‐ l‐methionine dependent N‐methylation of β‐alanine to its betaine is via N‐methyl and N,N‐dimethyl β‐alanines

Rathinasabapathi

Sigua

et al. 2000

Physiologia Plantarum

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“…The latter apparently is stimulated early in C.gigantea during exposure to reduced modified from Shick (1976) for Haliplanella lineata; Benson-Rodenbough and Ellington (1982) for tissue hydration in Bunodosoma cavemala; Kasschau et al (1984a) for FAA concentration in B.cavemata. The latter apparently is stimulated early in C.gigantea during exposure to reduced modified from Shick (1976) for Haliplanella lineata; Benson-Rodenbough and Ellington (1982) for tissue hydration in Bunodosoma cavemala; Kasschau et al (1984a) for FAA concentration in B.cavemata.…”

Section: Osmoconformity and Cellular Volume Regulationmentioning

confidence: 97%

“…The usual response to hypo-osmotic stress is contraction and secretion of mucus (Shoup, 1932;Miyawaki, 1951;Shick, 1976;Shumway, 1978;Bursey and Harmer, 1979;Benson-Rodenbough and Ellington, 1982;Kasschau et al, 1984a). The former action minimizes the surface area in contact with the external medium (especially since ventilation of the coelenteron ceases) and so reduces the osmotic influx of water and efflux of ions and organic solutes.…”

Section: Osmoconformity and Cellular Volume Regulationmentioning

confidence: 99%

“…Because sea anemones eventually re-expand in all but the lowest salinities (Shick, 1976;Kasschau et al, 1984a;Deaton and Hoffmann, 1988) and reach osmotic equilibrium with the medium (Figure 4.2), individual cells must regulate their volume to avoid excessive swelling or shrinkage following a decrease or an increase in salinity. Figure 4.3 shows the tissue hydration of several species after 1-2 weeks of laboratory acclimation to a range of salinities.…”

Section: Osmoconformity and Cellular Volume Regulationmentioning

confidence: 99%

“…BA = Bunodosoma cavernata from Port Aransas, Texas, USA (Benson-Rodenbough andEllington, 1982); BG = B.cavernata from Galveston, Texas, USA(Kasschau et al, 1984a); D = Diadumene leucolena from Maryland, USA(Pierce and Minasian, 1974); HM = Haliplanella lineata from Maine, USA(Shick, 1976); Hv = H.lineata from Virginia, USA(Shick, 1976); M = Metridium senile from Massachusetts, USA(Deaton and Hoffmann, 1988), BA = Bunodosoma cavernata from Port Aransas, Texas, USA (Benson-Rodenbough andEllington, 1982); BG = B.cavernata from Galveston, Texas, USA(Kasschau et al, 1984a); D = Diadumene leucolena from Maryland, USA(Pierce and Minasian, 1974); HM = Haliplanella lineata from Maine, USA(Shick, 1976); Hv = H.lineata from Virginia, USA(Shick, 1976); M = Metridium senile from Massachusetts, USA(Deaton and Hoffmann, 1988),…”

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A Functional Biology of Sea Anemones

Shick¹

1991

249

198

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in writing of the publishers, or in the case of reprographic reproduction only in accordance with the terms of the licences issued by the Copyright Licensing Agency in the UK, or in accordance with the terms of licences issued by the appropriate Reproduction Rights Organization outside the UK. Enquiries concerning reproduction outside the terms stated here should be sent to the publishers at the UK address printed on this page.The publisher makes no representation, express or implied, with regard to the accuracy of the information contained in this book and cannot accept any legal responsibility or liability for any errors or omissions that may be made. British Library Cataloguing in Publication DataShick, J. Malcolm A functional biology of sea anemones. 1. Sea anemones I. Title II. Series 593.6 ISBN 978-94-010-5365-5 ISBN 978-94-011-3080-6 (eBook)

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Variations in Salinity, Osmolarity, and Water Availability: Vertebrates and Invertebrates

Gllles

Delpire

1997

Comprehensive Physiology

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Time related changes in the free amino acid pool of the sea anemone, Bunodosoma cavernata, during salinity stress

Cited by 15 publications

References 14 publications

Osmoprotectant β‐alanine betaine synthesis in the Plumbaginaceae: S‐adenosyl‐ l‐methionine dependent N‐methylation of β‐alanine to its betaine is via N‐methyl and N,N‐dimethyl β‐alanines

Osmoprotectant β‐alanine betaine synthesis in the Plumbaginaceae: S‐adenosyl‐ l‐methionine dependent N‐methylation of β‐alanine to its betaine is via N‐methyl and N,N‐dimethyl β‐alanines

A Functional Biology of Sea Anemones

Variations in Salinity, Osmolarity, and Water Availability: Vertebrates and Invertebrates

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