Martin H. Spalding

The Chlamydomonas Genome Reveals the Evolution of Key Animal and Plant Functions (2007)

Merchant, Sabeeha S., Prochnik, Simon E., Vallon, Olivier, Harris, Elizabeth H., Karpowicz, Steven J., Witman, George B., ...

Chlamydomonas reinhardtii is a unicellular green alga whose lineage diverged from land plants over 1 billion years ago. It is a model system for studying chloroplast-based photosynthesis, as well as...

Novel metabolism in Chlamydomonas through the lens of genomics (2007)

Grossman, Arthur R., Croft, Martin, Gladyshev, Vadim N., Merchant, Sebeeha S., Posewitz, Matthew C., Prochnik, Simon, ...

Chlamydomonas has traditionally been exploited as an organism that is associated with sophisticated physiological, genetic and molecular analyses, all of which have been used to elucidate several...

The Chlamydomonas genome reveals the evolution of key animal and plant functions. (2007)

Merchant, Sabeeha S, Prochnik, Simon E, Vallon, Olivier, Harris, Elizabeth H, Karpowicz, Steven J, Witman, George B, ...

Chlamydomonas reinhardtii is a unicellular green alga whose lineage diverged from land plants over 1 billion years ago. It is a model system for studying chloroplast-based photosynthesis, as well as...

Periplasmic Carbonic Anhydrase Structural Gene (Cah1) Mutant in Chlamydomonas reinhardtii 1

Van, Kyujung, Spalding, Martin H.

To survive in various conditions of CO2 availability, Chlamydomonas reinhardtii shows adaptive changes, such as induction of a CO2-concentrating mechanism, changes in cell organization, and induction...

Insertional Mutants of Chlamydomonas reinhardtii That Require Elevated CO2 for Survival1

Van, Kyujung, Wang, Yingjun, Nakamura, Yoshiko, Spalding, Martin H.

Aquatic photosynthetic organisms live in quite variable conditions of CO2 availability. To survive in limiting CO2 conditions, Chlamydomonas reinhardtii and other microalgae show adaptive changes,...

Photosynthesis in Isolated Chloroplasts of the Crassulacean Acid Metabolism Plant Sedum praealtum1

Spalding, Martin H., Edwards, Gerald E.

Intact chloroplasts were isolated from protoplasts of the Crassulacean acid metabolism plant Sedum praealtum D.C. Typical rates of CO2 fixation or CO2-dependent O2 evolution ranged from 20 to 30...

Quantum Requirement for Photosynthesis in Sedum praealtum during Two Phases of Crassulacean Acid Metabolism 1

Spalding, Martin H., Edwards, Gerald E., Ku, Maurice S. B.

The quantum requirement (QR) for photosynthesis in Sedum praealtum, a Crassulacean acid metabolism plant, was compared with that of wheat, a C3 plant, and maize, a C4 plant, at 30 C. During the...

Intracellular Localization of Some Key Enzymes of Crassulacean Acid Metabolism in Sedum praealtum1

Spalding, Martin H., Schmitt, Mark R., Ku, S. B., Edwards, Gerald E.

The intracellular locations of six key enzymes of Crassulacean acid metabolism were determined using enzymically isolated mesophyll protoplasts of Sedum praealtum D.C. Data from isopycnic sucrose...

Isolation and Oxidative Properties of Intact Mitochondria from the Leaves of Sedum praealtum: A Crassulacean Acid Metabolism Plant 1

Arron, Geoffrey P., Spalding, Martin H., Edwards, Gerald E.

A procedure is described for preparing intact mitochondria from leaves of Sedum praealtum D.C., a plant showing Crassulacean acid metabolism. These mitochondria oxidized malate, pyruvate,...

Membrane-Associated Polypeptides Induced in Chlamydomonas by Limiting CO2 Concentrations 1

Spalding, Martin H., Jeffrey, Martha

Chlamydomonas reinhardtii and other unicellular green algae have a high apparent affinity for CO2, little O2 inhibition of photosynthesis, and reduced photorespiration. These characteristics result...

Adaptation of Chlamydomonas reinhardtii High-CO2-Requiring Mutants to Limiting CO21

Suzuki, Kensaku, Spalding, Martin H.

Photosynthetic characteristics of four high-CO2-requiring mutants of Chlamydomonas reinhardtii were compared to those of wild type before and after a 24-hour exposure to limiting CO2 concentrations....

A 36 Kilodalton Limiting-CO2 Induced Polypeptide of Chlamydomonas Is Distinct from the 37 Kilodalton Periplasmic Carbonic Anhydrase 1

Geraghty, Anne M., Anderson, James C., Spalding, Martin H.

Chlamydomonas reinhardtii possesses a CO2-concentrating mechanism, induced by limiting CO2, which involves active transport and accumulation of inorganic carbon within the cell. Synthesis of several...

A Photorespiratory Mutant of Chlamydomonas reinhardtii1

Suzuki, Kensaku, Marek, Laura Fredrick, Spalding, Martin H.

A mutant strain of Chlamydomonas reinhardtii, designated 18-7F, has been isolated and characterized. 18-7F requires a high CO2 concentration for photoautrophic growth in spite of the apparent...

Carbonic Anhydrase-Deficient Mutant of Chlamydomonas reinhardii Requires Elevated Carbon Dioxide Concentration for Photoautotrophic Growth 1

Spalding, Martin H., Spreitzer, Robert J., Ogren, William L.

A mendelian mutant of the unicellular green alga Chlamydomonas reinhardii has been isolated which is deficient in carbonic anhydrase (EC 4.2.1.1) activity. This mutant strain, designated ca-1-12-1C...

Reduced Inorganic Carbon Transport in a CO2-Requiring Mutant of Chlamydomonas reinhardii1

Spalding, Martin H., Spreitzer, Robert J., Ogren, William L.

A mendelian mutant of the unicellular green alga Chlamydomonas reinhardii has been isolated that is deficient in inorganic carbon transport. This mutant strain, designated pmp-1-16-5K (gene locus...

Translational Regulation of the Large and Small Subunits of Ribulose Bisphosphate Carboxylase/Oxygenase during Induction of the CO2-Concentrating Mechanism in Chlamydomonas reinhardtii 1

Winder, Thomas L., Anderson, James C., Spalding, Martin H.

In conditions of limiting external inorganic carbon, the unicellular alga Chlamydomonas reinhardtii induces a mechanism to actively transport and accumulate inorganic carbon within the cell. A high...

Changes in Photorespiratory Enzyme Activity in Response to Limiting CO2 in Chlamydomonas reinhardtii 1

Marek, Laura Fredrick, Spalding, Martin H.

The activity of two photorespiratory enzymes, phosphoglycolate phosphatase (PGPase) and glycolate dehydrogenase (glycolate DH), changes when CO2-enriched wild-type (WT) Chlamydomonas reinhardtii...

Periplasmic Carbonic Anhydrase Structural Gene (Cah1) Mutant in Chlamydomonas reinhardtii 1

Van, Kyujung, Spalding, Martin H.

To survive in various conditions of CO2 availability, Chlamydomonas reinhardtii shows adaptive changes, such as induction of a CO2-concentrating mechanism, changes in cell organization, and induction...

Insertional Mutants of Chlamydomonas reinhardtii That Require Elevated CO2 for Survival1

Van, Kyujung, Wang, Yingjun, Nakamura, Yoshiko, Spalding, Martin H.

Aquatic photosynthetic organisms live in quite variable conditions of CO2 availability. To survive in limiting CO2 conditions, Chlamydomonas reinhardtii and other microalgae show adaptive changes,...

Photosynthesis in Isolated Chloroplasts of the Crassulacean Acid Metabolism Plant Sedum praealtum1

Spalding, Martin H., Edwards, Gerald E.

Intact chloroplasts were isolated from protoplasts of the Crassulacean acid metabolism plant Sedum praealtum D.C. Typical rates of CO2 fixation or CO2-dependent O2 evolution ranged from 20 to 30...

Quantum Requirement for Photosynthesis in Sedum praealtum during Two Phases of Crassulacean Acid Metabolism 1

Spalding, Martin H., Edwards, Gerald E., Ku, Maurice S. B.

The quantum requirement (QR) for photosynthesis in Sedum praealtum, a Crassulacean acid metabolism plant, was compared with that of wheat, a C3 plant, and maize, a C4 plant, at 30 C. During the...

Intracellular Localization of Some Key Enzymes of Crassulacean Acid Metabolism in Sedum praealtum1

Spalding, Martin H., Schmitt, Mark R., Ku, S. B., Edwards, Gerald E.

The intracellular locations of six key enzymes of Crassulacean acid metabolism were determined using enzymically isolated mesophyll protoplasts of Sedum praealtum D.C. Data from isopycnic sucrose...

Isolation and Oxidative Properties of Intact Mitochondria from the Leaves of Sedum praealtum: A Crassulacean Acid Metabolism Plant 1

Arron, Geoffrey P., Spalding, Martin H., Edwards, Gerald E.

A procedure is described for preparing intact mitochondria from leaves of Sedum praealtum D.C., a plant showing Crassulacean acid metabolism. These mitochondria oxidized malate, pyruvate,...

Membrane-Associated Polypeptides Induced in Chlamydomonas by Limiting CO2 Concentrations 1

Spalding, Martin H., Jeffrey, Martha

Chlamydomonas reinhardtii and other unicellular green algae have a high apparent affinity for CO2, little O2 inhibition of photosynthesis, and reduced photorespiration. These characteristics result...

Adaptation of Chlamydomonas reinhardtii High-CO2-Requiring Mutants to Limiting CO21

Suzuki, Kensaku, Spalding, Martin H.

Photosynthetic characteristics of four high-CO2-requiring mutants of Chlamydomonas reinhardtii were compared to those of wild type before and after a 24-hour exposure to limiting CO2 concentrations....

A 36 Kilodalton Limiting-CO2 Induced Polypeptide of Chlamydomonas Is Distinct from the 37 Kilodalton Periplasmic Carbonic Anhydrase 1

Geraghty, Anne M., Anderson, James C., Spalding, Martin H.

Chlamydomonas reinhardtii possesses a CO2-concentrating mechanism, induced by limiting CO2, which involves active transport and accumulation of inorganic carbon within the cell. Synthesis of several...

A Photorespiratory Mutant of Chlamydomonas reinhardtii1

Suzuki, Kensaku, Marek, Laura Fredrick, Spalding, Martin H.

A mutant strain of Chlamydomonas reinhardtii, designated 18-7F, has been isolated and characterized. 18-7F requires a high CO2 concentration for photoautrophic growth in spite of the apparent...

Carbonic Anhydrase-Deficient Mutant of Chlamydomonas reinhardii Requires Elevated Carbon Dioxide Concentration for Photoautotrophic Growth 1

Spalding, Martin H., Spreitzer, Robert J., Ogren, William L.

A mendelian mutant of the unicellular green alga Chlamydomonas reinhardii has been isolated which is deficient in carbonic anhydrase (EC 4.2.1.1) activity. This mutant strain, designated ca-1-12-1C...

Reduced Inorganic Carbon Transport in a CO2-Requiring Mutant of Chlamydomonas reinhardii1

Spalding, Martin H., Spreitzer, Robert J., Ogren, William L.

A mendelian mutant of the unicellular green alga Chlamydomonas reinhardii has been isolated that is deficient in inorganic carbon transport. This mutant strain, designated pmp-1-16-5K (gene locus...

Translational Regulation of the Large and Small Subunits of Ribulose Bisphosphate Carboxylase/Oxygenase during Induction of the CO2-Concentrating Mechanism in Chlamydomonas reinhardtii 1

Winder, Thomas L., Anderson, James C., Spalding, Martin H.

In conditions of limiting external inorganic carbon, the unicellular alga Chlamydomonas reinhardtii induces a mechanism to actively transport and accumulate inorganic carbon within the cell. A high...

Changes in Photorespiratory Enzyme Activity in Response to Limiting CO2 in Chlamydomonas reinhardtii 1

Marek, Laura Fredrick, Spalding, Martin H.

The activity of two photorespiratory enzymes, phosphoglycolate phosphatase (PGPase) and glycolate dehydrogenase (glycolate DH), changes when CO2-enriched wild-type (WT) Chlamydomonas reinhardtii...

An inorganic carbon transport system responsible for acclimation specific to air levels of CO2 in Chlamydomonas reinhardtii

Wang, Yingjun, Spalding, Martin H.

Many photosynthetic microorganisms acclimate to CO2 limited environments by induction and operation of CO2-concentrating mechanisms (CCMs). Despite their central role in CCM function, inorganic...