Effect of hyperosmotic stress on hemolymph protein, muscle ninhydrin-positive substances and free amino acids in Macrobrachium rosenbergii (de man)
1. Acclimation of M. rosenberqii by gradual transfer from dilute to more concentrated media caused a significant decrease in the hemolymph protein content. 2. This phenomenon is related with a concomittant increase in muscle ninhydrin-positive substances (NPS) and free amino acids (FAA). The hemo...
| Main Authors: | , |
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| Format: | Article |
| Language: | English English |
| Published: |
Elsevier
1981
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| Online Access: | http://psasir.upm.edu.my/id/eprint/33851/ http://psasir.upm.edu.my/id/eprint/33851/1/33851%20effect%20of%20hyperosmotic.pdf http://psasir.upm.edu.my/id/eprint/33851/7/1-s2.0-0300962981925597-main.pdf |
| _version_ | 1848847612710486016 |
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| author | Tan, C. H. Choong, K. Y. |
| author_facet | Tan, C. H. Choong, K. Y. |
| author_sort | Tan, C. H. |
| building | UPM Institutional Repository |
| collection | Online Access |
| description | 1. Acclimation of M. rosenberqii by gradual transfer from dilute to more concentrated media caused a significant decrease in the hemolymph protein content.
2. This phenomenon is related with a concomittant increase in muscle ninhydrin-positive substances (NPS) and free amino acids (FAA). The hemolymph NPS is, however, independent of salinity.
3. Glutamic acid, proline, glycine, alanine and arginine constitute 70-80% of the total muscle free amino acids, and their concentrations were elevated by as much as 300% during acclimation to seawater.
4. The results indicate the involvement of FAA in intracellular osmotic adjustments to hyper osmotic stress. |
| first_indexed | 2025-11-15T09:21:23Z |
| format | Article |
| id | upm-33851 |
| institution | Universiti Putra Malaysia |
| institution_category | Local University |
| language | English English |
| last_indexed | 2025-11-15T09:21:23Z |
| publishDate | 1981 |
| publisher | Elsevier |
| recordtype | eprints |
| repository_type | Digital Repository |
| spelling | upm-338512024-08-05T02:48:26Z http://psasir.upm.edu.my/id/eprint/33851/ Effect of hyperosmotic stress on hemolymph protein, muscle ninhydrin-positive substances and free amino acids in Macrobrachium rosenbergii (de man) Tan, C. H. Choong, K. Y. 1. Acclimation of M. rosenberqii by gradual transfer from dilute to more concentrated media caused a significant decrease in the hemolymph protein content. 2. This phenomenon is related with a concomittant increase in muscle ninhydrin-positive substances (NPS) and free amino acids (FAA). The hemolymph NPS is, however, independent of salinity. 3. Glutamic acid, proline, glycine, alanine and arginine constitute 70-80% of the total muscle free amino acids, and their concentrations were elevated by as much as 300% during acclimation to seawater. 4. The results indicate the involvement of FAA in intracellular osmotic adjustments to hyper osmotic stress. Elsevier 1981 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/33851/1/33851%20effect%20of%20hyperosmotic.pdf text en http://psasir.upm.edu.my/id/eprint/33851/7/1-s2.0-0300962981925597-main.pdf Tan, C. H. and Choong, K. Y. (1981) Effect of hyperosmotic stress on hemolymph protein, muscle ninhydrin-positive substances and free amino acids in Macrobrachium rosenbergii (de man). Comparative Biochemistry and Physiology Part A: Physiology, 70 (4). pp. 485-489. ISSN 1096-4940 10.1016/0300-9629(81)92559-7 |
| spellingShingle | Tan, C. H. Choong, K. Y. Effect of hyperosmotic stress on hemolymph protein, muscle ninhydrin-positive substances and free amino acids in Macrobrachium rosenbergii (de man) |
| title | Effect of hyperosmotic stress on hemolymph protein, muscle ninhydrin-positive substances and free amino acids in Macrobrachium rosenbergii (de man) |
| title_full | Effect of hyperosmotic stress on hemolymph protein, muscle ninhydrin-positive substances and free amino acids in Macrobrachium rosenbergii (de man) |
| title_fullStr | Effect of hyperosmotic stress on hemolymph protein, muscle ninhydrin-positive substances and free amino acids in Macrobrachium rosenbergii (de man) |
| title_full_unstemmed | Effect of hyperosmotic stress on hemolymph protein, muscle ninhydrin-positive substances and free amino acids in Macrobrachium rosenbergii (de man) |
| title_short | Effect of hyperosmotic stress on hemolymph protein, muscle ninhydrin-positive substances and free amino acids in Macrobrachium rosenbergii (de man) |
| title_sort | effect of hyperosmotic stress on hemolymph protein, muscle ninhydrin-positive substances and free amino acids in macrobrachium rosenbergii (de man) |
| url | http://psasir.upm.edu.my/id/eprint/33851/ http://psasir.upm.edu.my/id/eprint/33851/ http://psasir.upm.edu.my/id/eprint/33851/1/33851%20effect%20of%20hyperosmotic.pdf http://psasir.upm.edu.my/id/eprint/33851/7/1-s2.0-0300962981925597-main.pdf |