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Complex I (EC 1.6. 5.3) is a multi-subunit respiratory chain reduced nicotinamide adenine dinucleotide (NADH):ubiquinone oxidoreductase that is found in the inner mitochondrial membrane of almost all eukaryotes and in the plasma membrane of many bacteria.

The chloroplast NADH dehydrogenase-like (NDH) complex is structurally similar to respiratory complex I and mediates PSI cyclic electron flow. In Arabidopsis (Arabidopsis thaliana), chloroplast NDH is composed of at least 29 subunits and associates with two copies of PSI to form the NDH-PSI supercomplex.

Complex I (EC 1.6. 5.3) is a multi-subunit respiratory chain reduced nicotinamide adenine dinucleotide (NADH):ubiquinone oxidoreductase that is found in the inner mitochondrial membrane of almost all eukaryotes and in the plasma membrane of many bacteria.

The chloroplast NADH dehydrogenase-like (NDH) complex is structurally similar to respiratory complex I and mediates PSI cyclic electron flow. In Arabidopsis (Arabidopsis thaliana), chloroplast NDH is composed of at least 29 subunits and associates with two copies of PSI to form the NDH-PSI supercomplex.

Complex I (NADH dehydrogenase) is the first enzyme in the respiratory chain. It catalyses the electron transfer from NADH to ubiquinone that is associated with proton pumping out of the matrix.

Complex I (NADH dehydrogenase) is the first enzyme in the respiratory chain. It catalyses the electron transfer from NADH to ubiquinone that is associated with proton pumping out of the matrix.

The chloroplast NADH dehydrogenase-like (NDH) complex is structurally similar to respiratory complex I and mediates PSI cyclic electron flow. In Arabidopsis (Arabidopsis thaliana), chloroplast NDH is composed of at least 29 subunits and associates with two copies of PSI to form the NDH-PSI supercomplex.

The chloroplast NADH dehydrogenase-like (NDH) complex is structurally similar to respiratory complex I and mediates PSI cyclic electron flow. In Arabidopsis (Arabidopsis thaliana), chloroplast NDH is composed of at least 29 subunits and associates with two copies of PSI to form the NDH-PSI supercomplex.

Cyanobacteria are aquatic and photosynthetic, that is, they live in the water, and can manufacture their own food. Because they are bacteria, they are quite small and usually unicellular, though they often grow in colonies large enough to see.

Cyanobacteria are aquatic and photosynthetic, that is, they live in the water, and can manufacture their own food. Because they are bacteria, they are quite small and usually unicellular, though they often grow in colonies large enough to see.

Unlike heterotrophic prokaryotes, cyanobacteria have internal membranes. These are flattened sacs called thylakoids where photosynthesis is performed.

Unlike heterotrophic prokaryotes, cyanobacteria have internal membranes. These are flattened sacs called thylakoids where photosynthesis is performed.

The chloroplast NADH dehydrogenase-like complex (NDH) was first discovered based on its similarity to complex I in respiratory electron transport, and is involved in electron transport from photoproduced stromal reductants such as NADPH and ferredoxin to the intersystem plastoqunone pool.

The chloroplast NADH dehydrogenase-like complex (NDH) was first discovered based on its similarity to complex I in respiratory electron transport, and is involved in electron transport from photoproduced stromal reductants such as NADPH and ferredoxin to the intersystem plastoqunone pool.

In bacteria (Cyanobacteria), photosynthesis occurs in their outer double membrane, with the photosynthetic membranes filling up the cell interior.

In plants and algae, photosynthesis occurs in a specialized intracellular organelle- the chloroplast.

In bacteria (Cyanobacteria), photosynthesis occurs in their outer double membrane, with the photosynthetic membranes filling up the cell interior.

The chloroplast NADH dehydrogenase-like (NDH) complex is structurally similar to respiratory complex I and mediates PSI cyclic electron flow. In Arabidopsis (Arabidopsis thaliana), chloroplast NDH is composed of at least 29 subunits and associates with two copies of PSI to form the NDH-PSI supercomplex.

In plants and algae, photosynthesis occurs in a specialized intracellular organelle- the chloroplast.

NDH-CET can produce ATP via building a proton gradient across the thylakoid membrane, which is important for running the Calvin-Benson cycle under conditions of environmental stress; consequently, the presence of NDH-1 keeps a high PSI functional activity.

The chloroplast NADH dehydrogenase-like (NDH) complex is structurally similar to respiratory complex I and mediates PSI cyclic electron flow. In Arabidopsis (Arabidopsis thaliana), chloroplast NDH is composed of at least 29 subunits and associates with two copies of PSI to form the NDH-PSI supercomplex.

NDH-1L couples the electron transport from ferredoxin (Fd) to plastoquinone (PQ) and proton pumping from cytoplasm to the lumen that drives the ATP production. NDH-1L-dependent CEF increases the ATP/NADPH ratio, and is therefore pivotal for oxygenic phototrophs to function under stress.

NDH-CET can produce ATP via building a proton gradient across the thylakoid membrane, which is important for running the Calvin-Benson cycle under conditions of environmental stress; consequently, the presence of NDH-1 keeps a high PSI functional activity.

NDH-1L couples the electron transport from ferredoxin (Fd) to plastoquinone (PQ) and proton pumping from cytoplasm to the lumen that drives the ATP production. NDH-1L-dependent CEF increases the ATP/NADPH ratio, and is therefore pivotal for oxygenic phototrophs to function under stress.

Complex I (EC 1.6. 5.3) is a multi-subunit respiratory chain reduced nicotinamide adenine dinucleotide (NADH):ubiquinone oxidoreductase that is found in the inner mitochondrial membrane of almost all eukaryotes and in the plasma membrane of many bacteria.

The chloroplast NADH dehydrogenase-like (NDH) complex is structurally similar to respiratory complex I and mediates PSI cyclic electron flow. In Arabidopsis (Arabidopsis thaliana), chloroplast NDH is composed of at least 29 subunits and associates with two copies of PSI to form the NDH-PSI supercomplex.

Complex I (NADH dehydrogenase) is the first enzyme in the respiratory chain. It catalyses the electron transfer from NADH to ubiquinone that is associated with proton pumping out of the matrix.

The chloroplast NADH dehydrogenase-like (NDH) complex is structurally similar to respiratory complex I and mediates PSI cyclic electron flow. In Arabidopsis (Arabidopsis thaliana), chloroplast NDH is composed of at least 29 subunits and associates with two copies of PSI to form the NDH-PSI supercomplex.

Cyanobacteria are aquatic and photosynthetic, that is, they live in the water, and can manufacture their own food. Because they are bacteria, they are quite small and usually unicellular, though they often grow in colonies large enough to see.

Unlike heterotrophic prokaryotes, cyanobacteria have internal membranes. These are flattened sacs called thylakoids where photosynthesis is performed.

The chloroplast NADH dehydrogenase-like complex (NDH) was first discovered based on its similarity to complex I in respiratory electron transport, and is involved in electron transport from photoproduced stromal reductants such as NADPH and ferredoxin to the intersystem plastoqunone pool.

In bacteria (Cyanobacteria), photosynthesis occurs in their outer double membrane, with the photosynthetic membranes filling up the cell interior.

In plants and algae, photosynthesis occurs in a specialized intracellular organelle- the chloroplast.

The chloroplast NADH dehydrogenase-like (NDH) complex is structurally similar to respiratory complex I and mediates PSI cyclic electron flow. In Arabidopsis (Arabidopsis thaliana), chloroplast NDH is composed of at least 29 subunits and associates with two copies of PSI to form the NDH-PSI supercomplex.

NDH-CET can produce ATP via building a proton gradient across the thylakoid membrane, which is important for running the Calvin-Benson cycle under conditions of environmental stress; consequently, the presence of NDH-1 keeps a high PSI functional activity.

NDH-1L couples the electron transport from ferredoxin (Fd) to plastoquinone (PQ) and proton pumping from cytoplasm to the lumen that drives the ATP production. NDH-1L-dependent CEF increases the ATP/NADPH ratio, and is therefore pivotal for oxygenic phototrophs to function under stress.