| tobacco mosaic virus replicase | <enzyme> Involved in resistance of plants to tmv; transgenic plants expressing additional insertion (an is10-like transposable element) in the tmv replicase gene are resistant to tmv Registry number: EC 2.7.7.- Synonym: tmv 183 kD replicase (26 Jun 1999) |
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| tobacco mosaic virus satellite | A spherical RNA satellite virus which requires an obligatory rod-shaped helper tobacco mosaic virus for replication. (12 Dec 1998) |
| tobacco, smokeless | The powdered leaves of nicotiana tabacum which are either inhaled through the nose, chewed, or stored in cheek pouches. It includes any product of tobacco that is not smoked. (12 Dec 1998) |
| tobacco smoke pollution | Contamination of the air by tobacco smoke. (12 Dec 1998) |
| tobacco use disorder | Tobacco used to the detriment of a person's health or social functioning. Tobacco dependence is included. (12 Dec 1998) |
| environmental tobacco smoke | A complex mixture of chemical constituents and particulates released into the atmosphere from the burning tip of a cigarette, pipe or cigar or from smoke exhaled by the smoker. (09 Oct 1997) |