AN APPARENTLY NEW SPECIES OF PHALONIA

Species-barrier-independent prion replication in apparently resistant species.

Transmission of prions between mammalian species is thought to be limited by a "species barrier," which depends on differences in the primary structure of prion proteins in the infecting inoculum and the host. Here we demonstrate that a strain of hamster prions thought to be nonpathogenic for conventional mice leads to prion replication to high levels in such mice but without causing clinical d...

EFFECT OF IODINE DEFICIENCY ON I.Q.LEVELS OF APPARENTLY NORMAL INHABITANTS OF AN ENDEMIC GOITER AREA

An Apparently Undescribed Infectious Exanthem *

During the past few years, patients with an unidentified acute febrile illness have appeared on the wards of the New Haven Hospital. They present similar signs and symptoms. We have been unable to recognize this syndrome as that of any of the known infectious diseases. We believe that it may be a new disease and we are taking this opportunity to report eleven cases seen in the past five years, ...

TWO NEW SPECIES OF MITOSPORIC FUNGI

In the present article, two new mitosporic spccies are introdued, namely: Cercospora fraxinicola Ershad, sp. nov. on Fraxinus rotundifolia and Ramularia rubicola Ershad, sp. nov. on Rubus caesicus.

NEW SPECIES OF TRICHODERMA FOR IRAN

Some 800 soil and rotten wood samples were collected from Gilan, Mazandaran and GolestanProvinces in the north of Iran. By using selective and general media, 217 Trichoderma isolates were obtained belonging to sections Longibrachiatum (69 isolates) and Pachybasium (148 isolates), respectively. Pure cultures were obtained by single conidium and single chain methods. Colony features were recorded...