Algae, Tree, Herbs, Bush, Shrub, Grasses, Vines, Fern, Moss, Spermatophyta, Bryophyta, Fern Ally, Flower, Photosynthesis, Eukaryote, Prokaryote, carbohydrate, vitamins, amino acids, botany, lipids, proteins, cell, cell wall, biotechnology, metabolities, enzymes, agriculture, horticulture, agronomy, bryology, plaleobotany, phytochemistry, enthnobotany, anatomy, ecology, plant breeding, ecology, genetics, chlorophyll, chloroplast, gymnosperms, sporophytes, spores, seed, pollination, pollen, agriculture, horticulture, taxanomy, fungi, molecular biology, biochemistry, bioinfomatics, microbiology, fertilizers, insecticides, pesticides, herbicides, plant growth regulators, medicinal plants, herbal medicines, chemistry, cytogenetics, bryology, ethnobotany, plant pathology, methodolgy, research institutes, scientific journals, companies, farmer, scientists, plant nutrition
Select Language:
Main Menu
Please click the main subject to get the list of sub-categories
Services offered
  Section: Introduction to Botany » Photosynthesis
Please share with your friends:  

The CAM Carbon Pathway

  Early Research
  Modern-day Research
  Electron Transfer
  The Calvin Cycle
  The C4 Plants
  The CAM Carbon Pathway

There is yet another pathway taken by carbon in its flow from carbon dioxide to carbohydrate. It occurs in plants of the Crassulaceae family (mostly fleshy herbs) and in cacti. Such plants grow in regions of high light intensity (which is interesting given that the carbon pathway described following is not light dependent). The pathway is called CAM for crassulacean acid metabolism. Plants in which this pathway occurs accumulate malic and isocitric acids at night. These acids are converted back to carbon dioxide during the day. The stomates of CAM plants tend to close during the day, which prevents the entrance of carbon dioxide from the atmosphere. Plentiful carbon dioxide is available, however, from the reservoir of the malic and isocitric acids.


Copyrights 2012 © | Disclaimer