Growth response and changes in ammonia assimilating enzymes at elevated temperatures in Azolla pinnata R. Br. and A. microphylla Kaul.

Indian Journal of Microbiology

Volumn 42, Issue 4, 2002, Pages 315-318

  Pabby, A ^a   Ahluwalia, A S ^a   Dua, S ^a  

^a PANJAB UNIVERSITY   (India)

Author keywords

Ammonia; Ammonia assimilating enzymes; Anabaena; Azolla; Temperature

Indexed keywords

ANABAENA; ANABAENA AZOLLAE; AZOLLA; AZOLLA MICROPHYLLA; AZOLLA PINNATA;

EID: 26644465114     PISSN: 00468991     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (18)

1. Bruan-Howland EB & Niezwicki-Bauer SA (1990) Azolla-Anabaena symbiosis: Biochemistry, physiology and molecular biology. In: Handbook of Symbiotic Cyanobacteria (Rai AN ed), CRC Press, Florida, pp. 65-118.
2. Wagner GM (1997) Azolla: A review on its biology and utilization. Bot Rev 63:1-26.
3. Giller KE (2002) Nitrogen fixation in tropical cropping system. CABI Publishers, U.K. pp. 693.
4. Singh PK (2000) Biology of Azolla and blue-green algae. In Biofertilizer: Blue-Green Algae and Azolla (Singh PK, Dhar DW, Pabbi S, Prasanna R & Arora A, eds), Venus Printers and Publishers, New Delhi, pp. 1-23.
5. Ahluwalia AS, Pabby A & Dua S (2002) Azolla: A green gold mine with diversified applications. Indian Fern J (in press).
6. Watanabe I & Berja NS (1983) The growth of four species of Azolla as affected by temperature. Aqu Bot 15:175-185.
7. Pabby A, Ahluwalia AS & Dua S (2000) Effect of phosphorous deficiency on the metabolic set up of Azolla microphylla Kaulfuss. J Punjab Acad Sci 2:51-55.
8. Singh PK (1998) Water fern Azolla: A proven biofertilizer for wetland rice. In Soil-Plant-Microbe Interaction in Relation to Integrated Nutrient Management (Kaushik BD, ed), Venus Printers and Publishers, New Delhi, pp. 64-71.
9. Talley SN & Rains DW (1980) Azolla filiculoides Lam. As a fallow-season green manure for rice in temperate climate. Agron J 72:11-18.
10. Pabby A, Dua S & Ahluwalia AS (2001) Changes in ammonia assimilating enzymes in response to different nitrate levels in Azolla pinnata and A. microphylla. J Plant Physiol 158:899-903.
11. Weatherburn MW (1967) Phenolhypochlorite reaction for ammonia determination. Anal Chem 39:917-920.
12. Shapiro BM & Stadman ER (1970) Glutamine synthetase (Escherichia coli). In: Methods in Enzymology. (Tabor H & Tabor C eds), Vol 17A. Academic Press, New York, pp. 910-922.
13. Tempest DW, Meers JL & Brown CM (1970) Synthesis of glutamate in Aerobacter aerogenes by hitherto unknown route. Biochem J 117:405-407.
14. Pahlich E & Joy KW (1971) Glutamate dehydrogenase from pea roots: Purification and properties of enzyme. Can J Biochem 49:127-138.
15. Lowry OH, Rosebrough NJ, Farr AL & Randall RJ (1951) Protein measurement with folin-phenol reagent. J Biol Chem 193:265-275.
16. Tung HF & Watanabe I (1983) Differential response of Azolla-Anabaena association to high temperatures and minus phosphorus treatments. New Phytol 93:423-431.
17. Holst RW & Yopp JH (1979) Environmental regulation of nitrogenase and nitrate reductase as system of nitrogen assimilation in Azolla mexicana and Anabaena azollae symbiosis. Aqu Bot 7:369-384.
18. Kannaiyan S & Somporn C (1989) Effect of high temperature on growth, nitrogen fixation and chlorophyll content of five species of Azolla-Anabaena symbiosis. Biol Fertil Soils 7:168-172.