MYCOPLASMA AND L-FORM BACTERIA
Mycoplasmas or mollicutes are wall-less bacteria.They are a group of bacteria that do not have a cell wall. Wall-less bacteria are pleomorphic, and they exist […]
Bacteriology
QUORUM SENSING
Quorum sensing (QS) is defined as the cell-to-cell interaction (communication) between one bacterium and another, and which allows them to share genetic information through the […]
PROCESS OF KILLING OR INHIBITING MICROBIAL GROWTH
Several techniques abound for the killing and/or inhibition of the growth of microorganisms. These courses of action are usually undertaken in vitro or in vivo […]
World Federation for Culture Collections (WFCC): Sources of pure strains of microorganisms around the world
S/No. Culture Collection Full Name Country/Region 1 AHU AHU Culture Collection Japan 2 ATCC American Type Culture Collection U.S.A. 3 BCRC Bioresource Collection and Research […]
TECHNIQUES OF ENUMERATING BACTERIAL CELL NUMBERS AND CELL MASS
Many techniques exist for the measurement of microbial growth in terms of assessing microbial cell numbers and microbial cell mass. These methods as stipulated in […]
MICROBIAL (BACTERIAL) GROWTH PHASE
Microbial cells can exhibit different growth patterns depending on the availability of growth nutrients in their immediate environment. In batch culture for example, microbial cells […]
MICROBIAL GROWTH: DOUBLING TIME AND BINARY FISSION
Growthis simply defined as an irreversible increase in the size of an organism. It is one of the characteristics of living organisms. In microbiological terms, […]
Buruli ulcer (Mycobacterium ulcerans infection)
Key facts about Buruli ulcer Buruli ulcer is a chronic debilitating disease caused by an environmental Mycobacterium ulcerans. It often affects the skin and sometimes […]
COLONY FORMING UNIT (CFU) CALCULATION
A colony forming unit (CFU) is defined as a unit that is commonly used in microbiology to determine or estimate the actual concentration of bacteria or […]
CELL DENSITY METER
Cell density meter is an instrument that is used for measuring of the density of (microbial) cells in suspension. The cell density meter is a […]
Glass Plating Beads for spreading bacteria/fungi on culture plate
Glass Plating Beads are reusable beads which helps to spread suspensions of microorganisms (bacteria or fungi) in a culture plate even much more than a […]
DEVELOPMENTAL STAGES OF BIOFILM FORMATION
Typical sites where biofilms can form on the human body include the teeth (where biofilms form dental plaque that leads to tooth decay), contact lenses […]