Search Results - "Rai, A N"

Cyanobacterium-plant symbioses by RAI, A. N, SÖDERBÄCK, E, BERGMAN, B

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Colonization of Roots of Rice (Oryza sativa) by Symbiotic Nostoc Strains by Nilsson, M., Bhattacharya, J., Rai, A. N., Bergman, B.

“…• The lack of nitrogen in agriculture, and negative environmental effects of fertilizers, have stimulated interest in creating artificial associations between…”
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Mercury Intoxication and Arterial Hypertension: Report of Two Patients and Review of the Literature by Torres, Alfonso D, Rai, Ashok N, Hardiek, Melissa L

“…Two children in the same household with symptomatic arterial hypertension simulating pheochromocytoma were found to be intoxicated with elemental mercury. The…”
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Intracellular cyanobiont Richelia intracellularis : ultrastructure and immuno-localisation of phycoerythrin, nitrogenase, Rubisco and glutamine synthetase by JANSON, S, RAI, A. N, BERGMAN, B

“…In marine tropical or subtropical plankton the filamentous, heterocyst-forming cyanobacterium Richelia intracellularis forms a symbiosis with the diatom…”
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Tansley Review No. 116 Cyanobacterium–plant symbioses by RAI, A. N., SÖDERBÄCK, E., BERGMAN, B.

“…Summary 449 I. INTRODUCTION 450 II. THE PARTNERS 451 1. Cyanobionts and their role 451 2. Hosts and their role 453 3. Location of cyanobionts in their hosts…”
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Anthoceros-Nostoc symbiosis: immunoelectronmicroscopic localization of nitrogenase, glutamine synthetase, phycoerythrin and ribulose-1,5-bisphosphate carboxylase/oxygenase in the cyanobiont and the cultured (free-living) isolate Nostoc 7801 by Rai, A.N, Borthakur, M, Singh, S, Bergman, B

“…1 Department of Biochemistry, North-Eastern Hill University, Shillong 793014, India 2 Department of Physiological Botany, University of Uppsala, Box 540,…”
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Absence of the glutamine-synthetase-linked methylammonium (ammonium)-transport system in the cyanobiont of Cycas-cyanobacterial symbiosis by Rai, A.N, Lindblad, P, Bergman, B

“…Using the ammonium analogue ^{14}\mathrm{C}{\mathrm{H}}_{3}\mathrm{N}{\mathrm{H}}_{3}^{+}$, ammonium transport was studied in the cyanobiont cells freshly…”
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Cycas revoluta-Nostoc symbiosis: enzyme activities of nitrogen and carbon metabolism in the cyanobiont by Lindblad, P, Rai, A.N, Bergman, B

“…1 Department of Physiological Botany, University of Uppsala, Box 540, S-751 21 Uppsala, Sweden 2 Department of Biochemistry, North-Eastern Hill University,…”
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Characteristics of the methylammonium/ammonium transport systems of the nitrogen-fixing cyanobacterium Anabaena 7120 (ATCC 27893) by Rai, A N, Prakasham, R

“…NH4(+)-transport in Anabaena 7120 was studied using the NH4+ analogue, 14CH3NH3+. At pH 7, two energy-dependent NH4(+)-transport systems were detected in both…”
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Metabolic changes associated with akinete germination in the cyanobacterium Anabaena doliolum by Rai, A.N, Rao, V.V, Singh, H.N

“…The energy requirements of akinete germination in A. doliolum were met initially from aerobic oxidation of endogenously stored carbon reserve. The germination…”
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Influence of different forms of nitrogen on uptake of ammonium, glutamate and glutamine in the cyanobacterium Nostoc muscorum by Prakasham, R, Rai, A N, Singh, A K, Singh, H N

“…Effect of various types of nitrogen nutrition was studied on the uptake of ammonium, glutamate and glutamine by Nostoc muscorum and its Het-Nif- mutant…”
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Epidemic regional jejunitis: a new clinical entity? by Rai, A N, Prasad, P R, Prasad, S N, Tiwari, R K

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Methylammonium (ammonium) uptake in a glutamine auxotroph of the cyanobacterium Anabaena cycadeae by Singh, D.T., Rai, A.N., Singh, H.N.

“…Methylammonium uptake was studied in a glutamine auxotroph of the cyanobacterium Anabaena cycadeae lacking glutamine synthetase activity. The uptake pattern…”
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Nitrate reductase activity in isolated heterocysts of the cyanobacterium Nostoc muscorum by Kumar, A.P., Rai, A.N., Singh, H.N.

“…The nitrate reductase, nitrate reductase apoprotein and nitrate reductase Mo-cofactor activities were measured in the cell-free extracts of isolated…”
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Metabolic activities of akinetes of the cyanobacterium Anabaena doliolum: oxygen exchange, photosynthetic pigments and enzymes of nitrogen metabolism by Rao, V.V, Rai, A.N, Singh, H.N

“…School of Life Sciences, Central University, Hyderabad-500134, India ABSTRACT All vegetative cells of Anabaena doliolum differentiated into akinetes. These…”
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N2 Fixation by non-heterocystous cyanobacteria by Bergman, B

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A new species of Gonatophragmium from the forest flora of the Indian sub-continent by Rai, A.N.

“…Gonatophragmium kuanense sp. nov. is described and illustrated from leaves of Miliusa tomentosa. It is compared with published accounts of similar species,…”
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TWO NEW SPECIES OF PSEUDOCERCOSPORA FROM INDIA by RAI, A. N., KAMAL

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Pseudochuppia, a new foliicolous, dictyosporic Hyphomycete genus from India by Rai, K.A.N, Morgan-Jones, G

“…A new genus of foliicolous hyphomycete occurring on leaves of Grewia disperma Rottb. (Tiliaceae), in Uttar Pradesh, India is described. The fungus has large,…”
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Nitrogenase activity and dark CO2 fixation in the lichen Peltigera aphthosa Willd by Rai, A.N, Rowell, P, Stewart, W.D.P

“…The lichen Peltigera aphthosa consists of a fungus and green alga (Coccomyxa) in the main thallus and of a Nostoc located in superficial packets, intermixed…”
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