PPT-HERPES VIRUSES-II DR MONIKA RAJANI

ASSOCIATE PROFESSOR DEPT OF MICROBIOLOGY CIMSH LKO DR MONIKA RAJANI VARICELLA ZOSTER VIRUS DR MONIKA RAJANI VZV Causative agent of Chicken pox varicella primary infection. DNA Enveloped . Viruses. I. Objectives. In this lecture you will learn about properties, pathogenesis, clinical picture and diagnosis of: . Herpesviruses. . (HHVs 1 to 8). Poxviruses. Smallpox Virus. CLS 212: Medical Microbiology. History. Through the 1800s, many scientists discovered that something smaller than bacteria could cause disease and they called it . virion. (. Latin word- poison. ).. HHV. HERPES VIRUSES:. Enveloped ,dsDNA viruses. Similar morphologically but differ clinically and biologically. Three groups:. 1-ALPHA-HRPES VIRUSES. (. HSV. -1,. HSV-2,. AND . VZV. ). . 2-. BETA-HERPESVIRUSES. DR MONIKA RAJANI . ASSOCIATE PROFESSOR ,. DEPT OF MICROBIOLOGY. CIMSH ,LKO. DR MONIKA RAJANI. Classification . B-SUPERCLASS. MASTIGOPHORA. 1-INTESTINAL FLAGELLATE -. Giardia. . intestinalis. 2-GENITAL FLAGELLATE- . ASSOCIATE PROFESSOR ,. DEPT OF MICROBIOLOGY. CIMSH ,LKO. Dr Monika Rajani. Introduction. This family is named after . Howard Taylor Ricketts . who died of . Typhus fever . contracted during his studies.. Dr. D Kalita, Associate professor, . Department of Microbiology, AIIMS Rishikesh. Date of Class: 26/4/2017 (4PM to 5PM, LT-4). DNA. Viruses. Members causing disease . in Humans. Herpesviridae. Herpes simplex 1&2, . K berry. . Affect the skin or mucous membranes of face or oral cavity.. Oral tissues are a frequent site for primary infections and also when there is reactivation of latent viruses.. Most do not require specific treatment and are self limiting in otherwise healthy individuals.. DR MONIKA RAJANI . ASSOCIATE PROFESSOR ,. DEPT OF MICROBIOLOGY. CIMSH ,LKO. INTRODUCTION. Viral hepatitis . refers to primary infection of liver caused by . heterogenous. group of hepatitis viruses which currently consist of . LIVER FLUKES INTESTINAL FLUKES. DR MONIKA RAJANI . ASSOCIATE PROFESSOR ,. DEPT OF MICROBIOLOGY. CIMSH , LKO. DR MONIKA RAJANI. Introduction. Commonly known as . flukes (flat fish). Trematodes. ASSOCIATE PROFESSOR ,. DEPT OF MICROBIOLOGY. CIMSH ,LKO. DR MONIKA RAJANI. Introduction. Enveloped DNA viruses. Latent infections. Persist indefinitely in host. Periodic reactivation. Some are cancer causing. DR MONIKA RAJANI . ASSOCIATE PROFESSOR . DEPT OF MICROBIOLOGY. CIMSH ,LKO. Intestinal oral and genital flagellate. Parasitic protozoa that possess . whip like flagella. . as their organ of locomotion.. DR MONIKA RAJANI . ASSOCIATE PROFESSOR ,. DEPT OF MICROBIOLOGY. CIMSH ,LKO. Dr Monika Rajani. Dr Monika Rajani. VIRUSES. Neither prokaryotes nor eukaryotes. No cellular . organisation. .. Contain . either DNA or RNA . (. Persistent Human Viruses. ). 1- Large family of viruses 150–200 nm in diameter. . 2-The . nucleocapsid. is 100 nm in diameter, with . cubic symmetry . and 162 . capsomeres. , surrounded by a lipid-containing envelope. . ASSOCIATE PROFESSOR ,. DEPT OF MICROBIOLOGY. CIMSH ,LKO. DR MONIKA RAJANI. CLASS . SPOROZOA. SUB CLASS. COCCIDIA. GENUS. Cryptosporidium. Isospora,cyclospora. Toxoplasma. SUB ORDER . EIMERIINA. SUB ORDER.