The fungus Pyrenophora tritici-repentis (Ptr) causes tan spot, a destructive foliar disease of wheat worldwide.The pathogen produces several necrotrophic effectors, which induce necrosis or chlorosis on susceptible wheat lines.Multiple races of Ptr have been identified, based on their ability to produce one or more of these effectors.Ptr has a wide
Background Rapa Nui (Easter Island = Isla de Pasqua) here is of volcanic origin, best known for about 900 man-made stone statues known as moai.It is one of the most isolated inhabited islands on Earth and studies on the diatoms of Rapa Nui are very few.Methods Light (LM) and electron microscopic (SEM) observations of a single sample collected from
Flapping-foil thrusters are systems that operate at a substantially lower frequency compared with marine propellers and are characterized by a much smaller power concentration.These biomimetic devices are able to operate very efficiently, offering desirable levels of thrust required for the propulsion of small vessels or autonomous underwater vehic
INTRODUCTION: Employment examinations and periodic examinations have an important place in the screenings of health workers within the context of Occupational Health and Safety measures, which started to be implemented in accordance with the Occupational Health here and Safety Law No.6331 in the public hospitals that are in the high risk workplace