World Of Microbes Flashcards
Bacteria length and width
1 to 10um length
0.2 to 1 um width
Bacteria may be motile or non motile .
_____are found on the cell surface for motility
Flagella
First microbiologist designed his own microscope
Antonie van leeuwenhoek
Site of protein synthesis in bacteria
Ribosomes
The term virus is from
Latin
Venomous fluid
Virus wide range from
18-400nm
Plant virus
Tobacco mosaic virus, cauliflower mosaic virus , potato virus
Animal virus
Adenovirus
Retrovirus HIV
influenza virus,
Polio virus
Bacteriophage
T4 bacteriophage
Fungi
Lack in chlorophyll
Living host - parasite
Dead host - saprospites
S single cell yeast ranges from
1-5um in width
The body of fungus
Thallus—–mycelium—–hyphae
Each hyphae is 5 to 10 um width
Cell wall of fungus made up of
Cellulose or chitin
Foot material is stored in the form of
Glycogen or oil globules
Fungus reproduce
Vegetative-binary fission budding fragmentation
Sexually - antheridium, oogonium
Asexual- spore formation - conidia
Ther term prion was coined by
Stanley B. Prusiner 1982
Prions are viral particle which contains only
Protein
Priyansh induce change in normal protein . this result in
Degeneration of nervous tissue
Nitrogen fixation
Free living
Symbiotic
Free living - azotobacter,nostoc
Symbiotic - rhizobium,frankia
The protein free pathogenic RNA of virus is
Viroids
Found in plant and cause disease in plant
Biopesticide
Bacillus thuringiensis BT
Production of fermented beverage
Saccharomyces cerevisiae
BT is a species of bacteria that produce a protein called
Cry protein
Curing of coffee bean, tea leaves and tobacco leaves
Bacillus megaterium
It gives special aroma
Production of curd
Lactobacillus sp
Oxalic acid acetic acid, citric acid are produced by
Fungus aspergillus niger
Yeast are rich source of
Vitamin B complex
Alexander Fleming produced the first antibiotic Pencillin
1929
Father of bacteriology
Robert koch
1876 he showed the disease called anthrax of sheep was due to bacillus anthracis
Common cold
Rhino virus
Upper respiratory tract
Influenza
Myxovirus
Respiratory tract
Measles
Rubeola virus
Respiratory tract
Mumps
Myxovirus parotidis
Upper respiratory tract
Chicken pox
Varicella zoster virus
Respiratory tract
Tuberculosis
Mycobacterium tuberculosis
Lung
Diptheria
Cornyebacterium diptheria
Upper respiratory tract
Woughing cough
Bordetalla pertussis
Respiratory tract
Poliomyelitis
Polio virus
Central nervous system
Salk vaccine or oral polio vaccine
Hepatitis A
Hepatitis A virus
Inflammation of liver
Prevention of contaminated food water
Acute diarrhoea
Rotavirus
Intestine
Cholera
Vibro cholera
Intestinal tract
Ors
Typhoid
Salmonella typhi
Small intestine
Malaria caused by
Protozoan plasmodium
4 species of plasmodium are
Vivax
Malariae
Falciparum
Ovale
Malaria caused by
plasmodium falciparum
Female Anopheles mosquito
10 days
Quinine drug
Malaria was transmitted by mosquito and was proved by
Sir Ronald Ross
Nobel in 1902
Chickungunya is caused by
Virus
Transmitted by infection aedes aegypti mosquito during day time
2-12days
Paracetamol
Dengue is known as
Breaking bone
Caused by virus
Aedes aegypti
5to6 days
Paracetamol
An extraction of tender papaya leaves and herbal drink nilavembu kudineer is given to dengue patient
It’s known to increase the blood platelet count
Filariasis is caused by nematode worm
Wuchereria bancrofti
Bite of infected culex mosquito
8-16 month
Inflammation in lymph glands
Elephantiasis
Leg scrotum arms
Mosquito bite prevented by application of _____ and ______ on the exposed skin
Citronella or eucalyptus oil
Influenza virus
H1n1
Respiratory tract
Pig
Avian influenza
Bird virus
H5n1
2 to 7 days
Sexually transmitted virus
AIDS,gonorrhea, genital warts, genital herpes,syphilis
AIDS acquired immunodeficiency syndrome
Retrovirus
human immunodeficiency
Attack white blood cell or lymphocytes
Weaken the body’s immunity or self defence mechanism
HIV was first recognised by
Hatai (usa) 1981
Tamilnadu 1986 April
AIDS vaccine RV 144 trial was conducted in Thailand in 2003 report 2011
Hepatitis B or serum hepatitis
Entro virus
Damage liver cells causing acute inflammation and cirrhosis of liver.
Transmitted by mother to thier baby or sexual contact or infected person’s secretion such as saliva sweat,tear, breast milk and blood
Gonorrhoea (bacteria)
Neisseria gonorrhoea
Urethra is affected
Syphilis(bacteria)
Treponema pallidum
Genital herpes
Herpes simplex virus
Genital warts
Human papilloma virus
The process of vaccination was introduced by
Edward Jenner
Small pox 1798
Louis pasteur
French chemist and microbiologist
Chicken pox, cholera, anthrax etc
Fermentation(1857)
In which year WHO given the schedule of immunization for children
1970
BCG
Bacillus calmette guerin
Prepared by Two French worker calmette and guerin
DPT
triple vaccine
Protection against dipetheria, pertussis.and tetanus
MMR
Mumps measles rubella vaccine give protection against viral infection
DT
TT
Protection against dipetheria and tetanus (dual antigen or combined antigen)
Tetanus toxoid: toxin of tetanus bacteria
New born
15 days
6,10,14 week
BCG
ORAL POLIO
DPT and POLIO
Fungi are group of eukaryotic heterotroph which are either single____ or multi cellular_____
Yeast
Penicillium, agaricus