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1

The unsymmetrical silaketal as a neutral, removable tether for effecting intramolecular diels-alder reactions.

John W. Gillard, Réjean Fortin, Erich L. Grimm, Michel Maillard, Michael Tjepkema, Michael A. Bernstein, Robert Glaser

Journal:

Tetrahedron Letters

Year:

1991

Language:

english

File:

PDF, 283 KB

english, 1991

2

Oxygen protection of nitrogenase inFrankiasp. HFPArI3

Marcia A. Murry, Mark S. Fontaine, John D. Tjepkema

Journal:

Archives of Microbiology

Year:

1984

Language:

english

File:

PDF, 509 KB

english, 1984

3

Book review

Journal:

Microbial Ecology

Year:

1977

Language:

english

File:

PDF, 47 KB

english, 1977

4

Nitrogen fixation and respiration by root nodules ofAlnus rubraBong.: Effects of temperature and oxygen concentration

Lawrence J. Winship, John D. Tjepkema

Journal:

Year:

1985

Language:

english

File:

PDF, 821 KB

english, 1985

5

Preface

Antoon D. L. Akkermans, Dwight Baker, Kerstin Huss-Danell, John D. Tjepkema

Journal:

Year:

1984

Language:

english

File:

PDF, 88 KB

english, 1984

6

Total and CO-reactive heme content of actinorhizal nodules and the roots of some non-nodulated plants

John D. Tjepkema, Darwin J. Asa

Journal:

Year:

1987

Language:

english

File:

PDF, 630 KB

english, 1987

7

Occurrence of hemoglobin in the nitrogen-fixing root nodules of Alnus glutinosa

Usman K. J. Suharjo, John D. Tjepkema

Journal:

Physiologia Plantarum

Year:

1995

Language:

english

File:

PDF, 487 KB

english, 1995

8

C2H2 and Ar induce rapid declines in nitrogenase activity and CO2 evolution in nodules of Datisca glomerata

John D. Tjepkema

Journal:

Physiologia Plantarum

Year:

1997

Language:

english

File:

PDF, 4.34 MB

english, 1997

9

Vesicle formation and acetylene reduction activity in Frankia sp. CPI1 cultured in defined nutrient media

Tjepkema, John D., Ormerod, William, Torrey, John G.

Journal:

Year:

1980

File:

PDF, 426 KB

1980

10

Atmospheric concentration of ammonia in Massachusetts and deposition on vegetation

Tjepkema, John D., Cartica, Robert J., Hemond, Harold F.

Journal:

Year:

1981

File:

PDF, 261 KB

1981

11

Postgate's fixation

Tjepkema, John D.

Journal:

Year:

1983

File:

PDF, 167 KB

1983

12

The acetylene-induced decline in nitrogenase activity in root nodules of Elaeagnus angustifolia

Gordon V. Johnson, Christa R. Schwintzer, John D. Tjepkema

Journal:

Year:

1997

Language:

english

File:

PDF, 68 KB

english, 1997

13

Nitrogenase activity in composting horse bedding and leaves

Christa R. Schwintzer, John D. Tjepkema, Bill Seekins

Journal:

Year:

2002

Language:

english

File:

PDF, 67 KB

english, 2002

14

Truncated hemoglobins in Frankia CcI3: effects of nitrogen source, oxygen concentration, and nitric oxide

Coats, Vanessa, Schwintzer, Christa R., Tjepkema, John D.

Journal:

Canadian Journal of Microbiology

Year:

2009

Language:

english

File:

PDF, 296 KB

english, 2009

15

The wall of the infected cell may be the major diffusion barrier in nodules of Myrica galE L

Shengyou Zeng, John D. Tjepkema

Journal:

Soil Biology and Biochemistry

Year:

1994

Language:

english

File:

PDF, 768 KB

english, 1994

16

The O2-lnduced transient response of nitrogenase activity in nodules of Myrica gale L.

Shengyou Zeng, John D. Tjepkema

Journal:

Journal of Plant Physiology

Year:

1996

Language:

english

File:

PDF, 434 KB

english, 1996

17

Nitrogen fixation by free-living Rhizobium in a defined liquid medium

John Tjepkema, Harold J. Evans

Journal:

Biochemical and Biophysical Research Communications

Year:

1975

Language:

english

File:

PDF, 153 KB

english, 1975

18

Seasonal pattern of energy use, respiration, and nitrogenase activity in root nodules of Myrica gale

Schwintzer, Christa R., Tjepkema, John D.

Journal:

Canadian Journal of Botany

Year:

1983

Language:

english

File:

PDF, 440 KB

english, 1983

19

Erratum: Factors affecting vesicle formation and acetylene reduction (nitrogenase activity) in Frankia sp. CpIl

Tjepkema, John D., Ormerod, William, Torrey, John G.

Journal:

Canadian Journal of Microbiology

Year:

1982

Language:

english

File:

PDF, 48 KB

english, 1982

20

Hemoglobins in the nitrogen-fixing root nodules of actinorhizal plants

Tjepkema, John D.

Journal:

Canadian Journal of Botany

Year:

1983

Language:

english

File:

PDF, 377 KB

english, 1983

21

Nitrogen fixation associated with Scirpus atrovirens and other nonnodulated plants in Massachusetts

Kana, Todd M., Tjepkema, John D.

Journal:

Canadian Journal of Botany

Year:

1978

Language:

english

File:

PDF, 294 KB

english, 1978

22

Nitrogen fixation associated with grasses in Oregon

Nelson, Arthur D., Barber, Lynn E., Tjepkema, John, Russell, Sterling A., Powelson, Robert, Evans, Harold J., Seidler, Ramon J.

Journal:

Canadian Journal of Microbiology

Year:

1976

Language:

english

File:

PDF, 428 KB

english, 1976

23

Factors affecting vesicle formation and acetylene reduction (nitrogenase activity) in Frankia sp. CpI1

Tjepkema, John D., Ormerod, William, Torrey, John G.

Journal:

Canadian Journal of Microbiology

Year:

1981

Language:

english

File:

PDF, 724 KB

english, 1981

24

Response of respiration and nitrogenase activity in Datisca glomerata (Presl.) Baill. to changes in pO 2

Tjepkema, John D, Du, Gangyi, Schwintzer, Christa R

Journal:

Canadian Journal of Botany

Year:

1999

File:

PDF, 123 KB

1999

25

The role of diffusion in oxygen protection of nitrogenase in nodules of Alnus rubra

Winship, Lawrence J., Tjepkema, John D.

Journal:

Canadian Journal of Botany

Year:

1983

Language:

english

File:

PDF, 462 KB

english, 1983

26

Introduction

Torrey, John G., Tjepkema, John D.

Journal:

Canadian Journal of Botany

Year:

1983

Language:

english

File:

PDF, 215 KB

english, 1983

27

Effect of elevated carbon dioxide in the root atmosphere on nitrogenase activity in three actinorhizal plant species

Schwintzer, Christa R, Tjepkema, John D

Journal:

Canadian Journal of Botany

Year:

2001

File:

PDF, 118 KB

2001

28

Field nodules of Alnus incana ssp. rugosa and Myrica gale exhibit pronounced acetylene-induced declines in nitrogenase activity

Schwintzer, Christa R., Tjepkema, John D.

Journal:

Canadian Journal of Botany

Year:

1997

Language:

english

File:

PDF, 561 KB

english, 1997

29

Hemoglobin in five genetically diverse Frankia strains

Beckwith, Jason, Tjepkema, John D, Cashon, Robert E, Schwintzer, Christa R, Tisa, Louis S

Journal:

Canadian Journal of Microbiology

Year:

2002

File:

PDF, 181 KB

2002

30

Nitrogen fixation in forests of central Massachusetts

Journal:

Canadian Journal of Botany

Year:

1979

Language:

english

File:

PDF, 380 KB

english, 1979

31

The role of oxygen diffusion from the shoots and nodule roots in nitrogen fixation by root nodules of Myrica gale

Journal:

Canadian Journal of Botany

Year:

1978

Language:

english

File:

PDF, 307 KB

english, 1978

32

C2H2 and Ar induce rapid declines in nitrogenase activity and CO2 evolution in nodules of Datisca glomerata*

Tjepkema, John D.

Journal:

Physiologia Plantarum

Year:

1997

Language:

english

File:

PDF, 4.34 MB

english, 1997

33

The Resistance of the Diffusion Barrier in Nodules of Myrica gale L. Changes in Response to Temperature but Not to Partial Pressure of O₂

Shengyou Zeng and John D. Tjepkema

Journal:

PLANT PHYSIOLOGY

Year:

1995

Language:

english

File:

PDF, 1.00 MB

english, 1995

34

Diffusion Limitation of Oxygen Uptake and Nitrogenase Activity in the Root Nodules of Parasponia rigida Merr. And Perry

John D. Tjepkema and Robert J. Cartica

Journal:

PLANT PHYSIOLOGY

Year:

1982

Language:

english

File:

PDF, 1.26 MB

english, 1982

35

Oxygen Concentration Within the Nitrogen-Fixing Root Nodules of Myrica gale L

John D. Tjepkema

Journal:

American Journal of Botany

Year:

1983

Language:

english

File:

PDF, 1.21 MB

english, 1983

36

Supplement: Symbiotic Nitrogen Fixation in Actinomycete-Nodulated Plants || Symbiotic Nitrogen Fixation in Actinomycete-Nodulated Plants. Preface

John G. Torrey and John D. Tjepkema

Journal:

Botanical Gazette

Year:

1979

Language:

english

File:

PDF, 453 KB

english, 1979

37

Supplement: Symbiotic Nitrogen Fixation in Actinomycete-Nodulated Plants || Symbiotic Nitrogen Fixation in Actinomycete-Nodulated Plants. Program

John G. Torrey and John D. Tjepkema

Journal:

Botanical Gazette

Year:

1979

Language:

english

File:

PDF, 325 KB

english, 1979

38

Factors Affecting the Acetylene to${}^{15}\text{N}{}_{2}$Conversion Ratio in Root Nodules of Myrica gale L

Christa R. Schwintzer and John D. Tjepkema

Journal:

PLANT PHYSIOLOGY

Year:

1994

Language:

english

File:

PDF, 999 KB

english, 1994

39

Purification of Hemoglobin from the Actinorhizal Root Nodules of Myrica gale L

Sudam M. Pathirana and John D. Tjepkema

Journal:

PLANT PHYSIOLOGY

Year:

1995

Language:

english

File:

PDF, 714 KB

english, 1995

40

Dinitrogen Fixation by Cultures of Frankia sp CpIl Demonstrated by${}^{15}\text{N}{}_{2}$Incorporation

John G. Torrey, John D. Tjepkema, Graham L. Turner, Fraser J. Bergersen and Alan H. Gibson

Journal:

PLANT PHYSIOLOGY

Year:

1981

Language:

english

File:

PDF, 351 KB

english, 1981

41

Factors Affecting the Acetylene-Induced Decline during Nitrogenase Assays in Root Nodules of Myrica gale L

John D. Tjepkema and Christa R. Schwintzer

Journal:

PLANT PHYSIOLOGY

Year:

1992

Language:

english

File:

PDF, 1.30 MB

english, 1992

42

Simultaneous Measurement of Acetylene Reduction and Respiratory Gas Exchange of Attached Root Nodules

Lawrence J. Winship and John D. Tjepkema

Journal:

PLANT PHYSIOLOGY

Year:

1982

Language:

english

File:

PDF, 771 KB

english, 1982

43

A Treatise on Dinitrogen Fixation-Section III: Biologyby R. W. F. Hardy; W. S. Silver

Review by: John Tjepkema

Journal:

Microbial Ecology

Year:

1977

Language:

english

File:

PDF, 147 KB

english, 1977

44

Time Course of Acetylene Reduction in Nodules of Five Actinorhizal Genera

John D. Tjepkema, Christa R. Schwintzer and Christopher A. Monz

Journal:

PLANT PHYSIOLOGY

Year:

1988

Language:

english

File:

PDF, 529 KB

english, 1988

45

Symbiotic Nitrogen Fixation in Actinomycete-Nodulated Plants. Preface

Torrey, John G., Tjepkema, John D.

Journal:

Botanical Gazette

Year:

1979

Language:

english

File:

PDF, 384 KB

english, 1979