An enzyme that synthesizes DNA on an RNA template. It is encoded by the pol gene of retroviruses and by certain retrovirus-like elements. EC 2.7.7.49.

Compounds that inhibit cell production of DNA or RNA.

A multistage process that includes RNA cloning, physical mapping, subcloning, sequencing, and information analysis.

Slender, contractile, mesenchymal-like cells found in close association with capillary walls. They are relatively undifferentiated and may become fibroblasts, macrophages, or smooth muscle cells. (From Stedman, 26th ed)

Common member of the Gramineae family used as cattle fodder. It harbors several fungi and other parasites toxic to livestock and people and produces allergenic compounds, especially in its pollen. The most commonly seen varieties are L. perenne, L. multiflorum, and L. rigidum.

Inorganic compounds that contain ruthenium as an integral part of the molecule.

Encephalitis caused by neurotropic viruses that are transmitted via the bite of TICKS. In Europe, the diseases are caused by ENCEPHALITIS VIRUSES, TICK-BORNE, which give rise to Russian spring-summer encephalitis, central European encephalitis, louping ill encephalitis, and related disorders. Powassan encephalitis occurs in North America and Russia and is caused by the Powassan virus. ASEPTIC MENINGITIS and rarely encephalitis may complicate COLORADO TICK FEVER which is endemic to mountainous regions of the western United States. (From Joynt, Clinical Neurology, 1996, Ch26, pp14-5)

Frequent change of residence, either in the same city or town, or between cities, states or communities.

The inhabitants of rural areas or of small towns classified as rural.

Hospitals located in a rural area.