Is Sulfurovum lithotrophicum a chemolithoautotroph?

Valid publication: Inagaki F, Takai K, Nealson KH, Horikoshi K. Sulfurovum lithotrophicum gen. nov., sp. nov., a novel sulfur-oxidizing chemolithoautotroph within the epsilon- Proteobacteria isolated from Okinawa Trough hydrothermal sediments. Int J Syst Evol Microbiol 2004; 54 :1477-1482.

What is the chemical composition of spider venom?

The Chemistry of Spider Venom. The low molecular weight compounds consists of salts, carbohydrates, and small organic compounds such as amines, acids, and acylpolyamines. It’s thought the potassium ions in salts may assist the toxic portions of the venom in reaching their molecular targets in victims.

What are the different types of spider venoms?

Initially, spider venoms can be grouped into two broad categories: necrotic, and neurotoxic. Necrotic, or cytotoxic venoms, are those which cause cell and tissue damage after envenomation.

How does spider venom affect the human body?

The Chemistry of Spider Venom. This can lead to the appearance of inflammation, lesions, and blisters. Neurotoxic venoms, on the other hand, exert their effects on the nervous system, and interfere with signalling between neurons. In extreme cases, these can lead to respiratory and cardiac arrest.