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1

The regulation of amino acid metabolism during hyperosmotic stress in Acanthamoeba castellanii

Richard Poulin, Jacques Larochelle, Johan A. Hellebust

Journal:

Journal of Experimental Zoology Part A Ecological Genetics and Physiology

Year:

1987

Language:

english

File:

PDF, 1.07 MB

english, 1987

2

A spectrophotometric procedure for measuring oxoglutarate and determining aminotransferase activities using nicotinamide adenine dinucleotide phosphate-linked glutamate dehydrogenase from algae

Iftikhar Ahmad, Johan A. Hellebust

Journal:

Analytical Biochemistry

Year:

1989

Language:

english

File:

PDF, 629 KB

english, 1989

3

A comparative study of sodium andosmotic requirements for growth and nutrient uptake of two related green flagellates,Dunaliella tertiolectaandChlamydomonas pulsatilla

Johan A. Hellebust

Journal:

Archives of Microbiology

Year:

1985

Language:

english

File:

PDF, 453 KB

english, 1985

4

A description of glucose uptake inNavicula pelliculosa(Breb) hilse including a brief comparison with an associatedFlavobacteriumsp.

Elizabeth T. Jolley, Alvin K. Jones, Johan A. Hellebust

Journal:

Archives of Microbiology

Year:

1976

Language:

english

File:

PDF, 644 KB

english, 1976

5

Mechanisms of response to salinity in halotolerant microalgae

Johan A. Hellebust

Journal:

Year:

1985

Language:

english

File:

PDF, 720 KB

english, 1985

6

Arginine utilization by Chlorella autotrophica and Chlorella saccharophila

Gilles Laliberté, Johan A. Hellebust

Journal:

Physiologia Plantarum

Year:

1990

Language:

english

File:

PDF, 7.10 MB

english, 1990

7

PATHWAYS OF AMMONIUM ASSIMILATION IN THE SOIL ALGA STICHOCOCCUS BACILLARIS NAEG.

IFTIKHAR AHMAD, JOHAN A. HELLEBUST

Journal:

New Phytologist

Year:

1986

Language:

english

File:

PDF, 10.75 MB

english, 1986

8

Enzymology of ammonium assimilation in three green flagellates

IFTIKHAR AHMAD, JOHAN A. HELLEBUST

Journal:

New Phytologist

Year:

1988

Language:

english

File:

PDF, 6.03 MB

english, 1988

9

Partial characterization of enzymes of nitrogen metabolism in Chlorella autotrophica Shihira & Krauss

IFTIKHAR AHMAD, JOHAN A. HELLEBUST

Journal:

New Phytologist

Year:

1993

Language:

english

File:

PDF, 7.16 MB

english, 1993

10

Nitrogen metabolism in the ectomycorrhizal fungus Hebeloma crustuliniforme

ALI M. QUORESHI, IFTIKHAR AHMAD, DAVID MALLOCH, JOHAN A. HELLEBUST

Journal:

New Phytologist

Year:

1995

Language:

english

File:

PDF, 4.12 MB

english, 1995

11

Nitrogen metabolism in the ectomycorrhizal fungus Laccaria bicolor (R. Mre.) Orton

IFTIKHAR AHMAD, TERRY J. CARLETON, DAVID W. MALLOCH, JOHAN A. HELLEBUST

Journal:

New Phytologist

Year:

1990

Language:

english

File:

PDF, 1.51 MB

english, 1990

12

Compartmentation and Activities of Enzymes Involved in the Metabolism of Amino Acids Implicated in Osmoregulatory Mechanisms in Acanthamoeba castellanii

JOHAN A. HELLEBUST, JACQUES LAROCHELLE

Journal:

Journal of Eukaryotic Microbiology

Year:

1988

Language:

english

File:

PDF, 644 KB

english, 1988

13

Growth characteristics of the marine rock pool flagellate Chlamydomonas pulsatilla Wollenweber (Chlorophyta)

Hellebust, Johan A., Le Gresley, Susan M. L.

Journal:

Year:

1985

Language:

english

File:

PDF, 149 KB

english, 1985

14

REGULATION OF A GLUCOSE TRANSPORT SYSTEM IN STICHOCOCCUS BACILLARIS

Richard W. Carthew, Johan A. Hellebust

Journal:

Journal of Phycology

Year:

1983

File:

PDF, 1.47 MB

1983

15

NITROGEN METABOLISM AND AMINO ACID NUTRITION IN THE SOIL ALGA STICHOCOCCUS BACILLARIS (CHLOROPHYCEAE)

Johan A. Hellebust, Iftikhar Ahmad

Journal:

Journal of Phycology

Year:

1989

File:

PDF, 1.70 MB

1989

16

PROTEIN BIOSYNTHESIS IN SALT-SHOCKED CELLS OF STICHOCOCCUS BACILLARIS (CHLOROPHYCEAE)

Iftikhar Ahmad, Johan A. Hellebust

Journal:

Journal of Phycology

Year:

1993

File:

PDF, 1.61 MB

1993

17

UPTAKE SPECIFICITY FOR ORGANIC SUBSTRATES BY THE MARINE DIATOM MELOSIRA NUMMULOIDES

Johan A. Hellebust, Robert R. L. Guillard

Journal:

Journal of Phycology

Year:

1967

Language:

english

File:

PDF, 448 KB

english, 1967

18

KINETICS OF GLUCOSE TRANSPORT AND GROWTH OF CYCLOTELLA CRYPTICA REIMANN, LEWIN AND GUILLARD,

Johan A. Hellebust

Journal:

Journal of Phycology

Year:

1971

File:

PDF, 1.31 MB

1971

19

GROWTH AND THE PRODUCTION OF EXTRACELLULAR SUBSTANCES BY TWO STRAINS OF PHAEOCYSTIS POUCHETI

R. R. L. Guillard, Johan A. Hellebust

Journal:

Journal of Phycology

Year:

1971

File:

PDF, 2.86 MB

1971

20

GLUCOSE UPTAKE BY CYCLOTELLA CRYPTICA: DARK INDUCTION AND LIGHT INACTIVATION OF TRANSPORT SYSTEM

Johan A. Hellebust

Journal:

Journal of Phycology

Year:

1971

File:

PDF, 1.45 MB

1971

21

GLUCOSE TRANSPORT SYSTEMS AND GROWTH CHARACTERISTICS OF BRACTEACOCCUS MINOR

Robert G. Sheath, Johan A. Hellebust

Journal:

Journal of Phycology

Year:

1974

File:

PDF, 2.29 MB

1974

22

THE STATOSPORE OF DINOBRYON DIVERGENS IMHOF: FORMATION AND GERMINATION IN A SUBARCTIC LAKE

Robert G. Sheath, Johan A. Hellebust, Takashi Sawa

Journal:

Journal of Phycology

Year:

1975

File:

PDF, 2.36 MB

1975

23

UPTAKE OF ORGANIC SUBSTRATES BY CYCLOTELLA CRYPTICA (BACILLARIOPHYCEAE): EFFECTS OF IONS, IONOPHORES AND METABOLIC AND TRANSPORT INHIBITORS

Johan A. Hellebust

Journal:

Journal of Phycology

Year:

1978

File:

PDF, 1.34 MB

1978

24

THE CONTRIBUTION OF ORGANIC SOLUTES TO OSMOTIC BALANCE IN SOME GREEN AND EUSTIGMATOPHYTE ALGAE

Lewis M. Brown, Johan A. Hellebust

Journal:

Journal of Phycology

Year:

1980

File:

PDF, 1016 KB

1980

25

TRANSPORT OF AMINO ACIDS BY THE SOIL ALGA STICHOCOCCUS BACILLARIS

Richard W. Carthew, Johan A. Hellebust

Journal:

Journal of Phycology

Year:

1982

File:

PDF, 1.24 MB

1982

26

Growth and osmoregulation of Boekelovia hooglandii in relation to salinity

Fujii, Shuhei, Hellebust, Johan A.

Journal:

Canadian Journal of Botany

Year:

1994

Language:

english

File:

PDF, 347 KB

english, 1994

27

Salinity responses of the marine microalga Brachiomonassubmarina Bohlin

Iftikhar Ahmad, Johan A. Hellebust

Journal:

Journal of Experimental Marine Biology and Ecology

Year:

1985

Language:

english

File:

PDF, 623 KB

english, 1985

28

Regulation of proline metabolism in the marine centric diatom Cyclotella cryptica

Liu, Ming Sai, Hellebust, Johan A.

Journal:

Canadian Journal of Botany

Year:

1976

Language:

english

File:

PDF, 617 KB

english, 1976

29

Effects of salinity changes on growth and metabolism of the marine centric diatom Cyclotella cryptica

Liu, Ming Sai, Hellebust, Johan A.

Journal:

Canadian Journal of Botany

Year:

1976

Language:

english

File:

PDF, 376 KB

english, 1976

30

Floridean starch metabolism of Porphyridium purpureum (Rhodophyta)

Sheath, Robert G., Hellebust, Johan A., Sawa, Takashi

Journal:

Year:

1981

Language:

english

File:

PDF, 381 KB

english, 1981

31

Effects of low light and darkness on structural transformations in plastids of the Rhodophyta*

Sheath, Robert G., Hellebust, Johan A., Sawa, Takashi

Journal:

Year:

1979

Language:

english

File:

PDF, 840 KB

english, 1979

32

Floridean starch metabolism of Porphyridium purpureum (Rhodophyta). II. Changes during the cell cycle*

Sheath, Robert G., Hellebust, Johan A., Sawa, Takashi

Journal:

Year:

1979

Language:

english

File:

PDF, 215 KB

english, 1979

33

Floridean starch metabolism of Porphyridium purpureum (Rhodophyta)

Sheath, Robert G., Hellebust, Johan A., Sawa, Takashi

Journal:

Year:

1979

Language:

english

File:

PDF, 562 KB

english, 1979

34

Changes in plastid structure, pigmentation and photosynthesis of the conchocelis stage of Porphyra leucosticta (Rhodophyta, Bangiophyceae) in response to low light and darkness*

Sheath, Robert G., Hellebust, Johan A., Sawa, Takashi

Journal:

Year:

1977

Language:

english

File:

PDF, 662 KB

english, 1977

35

Heterotrophic nutrition of the marine pennate diatom, Cylindrotheca fusiformis

Lewin, Joyce, Hellebust, Johan A.

Journal:

Canadian Journal of Microbiology

Year:

1970

Language:

english

File:

PDF, 211 KB

english, 1970

36

Transport systems for organic acids induced in the marine pennate diatom, Cylindrotheca fusiformis

Hellebust, Johan A., Lewin, Joyce

Journal:

Canadian Journal of Microbiology

Year:

1972

Language:

english

File:

PDF, 307 KB

english, 1972

37

Heterotrophic nutrition of the marine pennate diatom Navicula pavillardi Hustedt

Lewin, Joyce, Hellebust, Johan A.

Journal:

Canadian Journal of Microbiology

Year:

1975

Language:

english

File:

PDF, 414 KB

english, 1975

38

Utilization of amino acids as nitrogen sources, and their effects on nitrate reductase in the marine diatom Cyclotella cryptica

Liu, Ming Sai, Hellebust, Johan A.

Journal:

Canadian Journal of Microbiology

Year:

1974

Language:

english

File:

PDF, 217 KB

english, 1974

39

Comparison of algae in the euplankton, tychoplankton, and periphyton of a tundra pond

Sheath, Robert G., Hellebust, Johan A.

Journal:

Canadian Journal of Botany

Year:

1978

Language:

english

File:

PDF, 616 KB

english, 1978

40

Some new taxonomic characteristics applied to Stichococcus bacillaris (Chlorophyceae)

Brown, Lewis M., Hellebust, Johan A.

Journal:

Canadian Journal of Botany

Year:

1980

Language:

english

File:

PDF, 527 KB

english, 1980

41

Engineering Osmoregulation

Review by: Johan A. Hellebust

Journal:

Year:

1981

Language:

english

File:

PDF, 111 KB

english, 1981

42

Partial Characterization of Enzymes of Nitrogen Metabolism in Chlorella autotrophica Shihira & Krauss

Iftikhar Ahmad and Johan A. Hellebust

Journal:

New Phytologist

Year:

1993

Language:

english

File:

PDF, 913 KB

english, 1993

43

Nitrogen Metabolism in the Ectomycorrhizal Fungus Hebeloma crustuliniforme

Ali M. Quoreshi, Iftikhar Ahmad, David Malloch and Johan A. Hellebust

Journal:

New Phytologist

Year:

1995

Language:

english

File:

PDF, 1.04 MB

english, 1995

44

Nitrogen Metabolism in the Ectomycorrhizal Fungus Laccaria bicolor (R. Mre.) Orton

Iftikhar Ahmad, Terry J. Carleton, David W. Malloch and Johan A. Hellebust

Journal:

New Phytologist

Year:

1990

Language:

english

File:

PDF, 1.23 MB

english, 1990

45

The Photosynthetic Rhythm of Acetabularia crenulata. II. Measurements of Photoassimilation of Carbon Dioxide and the Activities of Enzymes of the Reductive Pentose Cycle

Johan A. Hellebust, John Terborgh and G. C. McLeod

Journal:

Biological Bulletin

Year:

1967

Language:

english

File:

PDF, 328 KB

english, 1967

46

Effects of Environmental Conditions on the Rate of Photosynthesis and Some Photosynthetic Enzymes in Dunaliella tertiolecta Butcher

Johan A. Hellebust and John Terborgh

Journal:

Limnology and Oceanography

Year:

1967

Language:

english

File:

PDF, 902 KB

english, 1967

47

Sorbitol and proline as intracellular osmotic solutes in the green alga Stichococcus bacillaris

Brown, Lewis M., Hellebust, Johan A.

Journal:

Canadian Journal of Botany

Year:

1978

Language:

english

File:

PDF, 212 KB

english, 1978

48

Regulation of proline content of Chlorella autotrophica in response to changes in salinity

Laliberté, Gilles, Hellebust, Johan A.

Journal:

Canadian Journal of Botany

Year:

1989

Language:

english

File:

PDF, 545 KB

english, 1989

49

Effects of salinity and osmolarity of the medium on amino acid metabolism in Cyclotella cryptica

Liu, Ming Sai, Hellebust, Johan A.

Journal:

Canadian Journal of Botany

Year:

1976

Language:

english

File:

PDF, 607 KB

english, 1976

50

Photosynthesis, translocation, and alginic acid synthesis in Laminaria digitata and Laminaria hyperborea

Hellebust, Johan A., Haug, Arne

Journal:

Canadian Journal of Botany

Year:

1972

Language:

english

File:

PDF, 428 KB

english, 1972