Primary and secondary Metabolites

PRIMARY AND SECONDARY METABOLITES


1. Primary Plant Metabolites

a. Vitamins

1. Carotene, precursor of vitamin A (Blakeslea trispora), 
2. Riboflavin(Ashbya gossypii),
3. L-sarbose in vitamin C synthesis(Gluconobacter oxidans),
4. Vitamin B12 (Bacillus coagulans, B. megaterium, Pseudomonas denitrificans and Streptomyces olivaceous).

b. Organic Acids

1. Lactic acid 
2. Propionic acid 
3. Citric acid, 
4. Itaconic acid 
5. Gluconic acid
6. Acetic acid 
7. Tartaric acid

2. Secondary Plant Metabolites
a.  Alkaloids (usually a small, heavily derivatized amino acid):

• Hyoscyamine, present in Datura stramonium
• Atropine, present in Atropa belladonna, Deadly nightshade
• Cocaine, present in Erythroxylon coca the Coca plant
• Scopolamine, present in the Solanaceae (nightshade) plant family
• Codeine and Morphine, present in Papaver somniferum, the opium poppy
• Tetrodotoxin, a microbial product in Fugu and some salamanders
• Vincristine & Vinblastine, mitotic inhibitors found in the Rosy Periwinkle

b. Terpenoids (come from semiterpene oligomerization):

• Azadirachtin, (Neem tree)
• Artemisinin, present in Artemisia annua Chinese wormwood
• tetrahydrocannabinol, present in Cannabis
• Steroids (Terpenes with a particular ring structure)
• Saponins (plant steroids, often glycosylated)

c. Glycosides (heavily modified sugar molecules):

• Nojirimycin
• Glucosinolates

d. Natural phenols:

• Resveratrol

e. Phenazines:

• Pyocyanin
• Phenazine-1-carboxylic acid (and derivatives)

f. Polyketides:

• Erythromycin
• Discodermolide

g. Fatty acid synthase products :

• FR-900848
• U-106305
• phloroglucinols

h.  Nonribosomal peptides:

• Vancomycin
• Thiostrepton
• Ramoplanin
• Teicoplanin
• Gramicidin
• Bacitracin

i. Hybrids of the above three:

• Epothilone

j.  Polyphenols


k. Ribosomal peptides

•  Microcin-J25

(Assignment in Economic Biology)
Source:
(forgot to include the other one reference)
http://en.wikipedia.org/wiki/Secondary_metabolites