Sourav Pan
DNA replication is the process by which genetic material is copied before cell division happens, it’s considered essential for inheritance. Among different models, the main ones observed are Theta model, Rolling Circle model, and Linear DNA replication. Each model are used by different organisms or DNA types (like plasmids, viruses, or eukaryotic chromosomes). The three … Read more
What is Geographical Indication? A Geographical Indication (GI) is basically a sign / mark used on products that come from a particular location and have qualities or reputation mainly due to that place. It’s considered as one of the forms of Intellectual Property Rights (IPR) which protects names or signs linked with geographic origin rather … Read more
What is Intellectual Property Right? Intellectual Property Right (often shortened as IPR) is described as a legal right that is given to protect creations of the mind, such as inventions, literary works, designs, and symbols used in commerce. Protection is granted so that creators are recognized and rewarded for their work, even when enforcement is … Read more
What are Brown Algae (Phaeophyceae)? Habitats of Brown Algae Characteristic Features of Brown Algae Classification of Brown Algae Brown Algae Classification Taxonomic Rank Classification Domain Eukaryota Kingdom Chromista Phylum Ochrophyta Class Phaeophyceae Orders Fucales, Laminariales, Dictyotales Families Fucaceae, Laminariaceae, Dictyotaceae Genera Fucus, Laminaria, Dictyota Species Fucus vesiculosus, Laminaria digitata, Dictyota dichotoma Morphology and Structure of … Read more
What is Rhodophyta (Red Algae)? The Rhodophyta (red algae) are a group of mostly marine, photosynthetic, eukaryotic organisms. They are colored red (or shades of red / purple) because of accessory pigments like phycoerythrin (and phycocyanin) which mask the green of chlorophyll. The cells do not have flagella or centrioles at any stage. Unstacked thylakoids … Read more
Algal cultivation means growing algae (microalgae or seaweeds) in controlled or partly controlled environments for useful biomass. The algae are supplied with light, carbon (often CO₂), water and nutrients so growth is promoted. In open ponds (raceway ponds etc.), cultures are exposed to ambient conditions, and mixing is provided to avoid shading and settling. Photobioreactors … Read more
What is Reverse Transcription PCR (RT-PCR)? Reverse Transcription Polymerase Chain Reaction (RT-PCR) is defined as a lab method in which RNA is converted into complementary DNA (cDNA) by an enzyme called reverse transcriptase, then that cDNA is amplified via PCR. The technique is used for detection, quantification of specific RNA molecules (eg mRNA, viral RNA) … Read more
What is Repetitive sequence-based PCR (rep-PCR)? Working Principle of rep-PCR The rep-PCR working principle is based on the occurrence of conserved repetitive DNA elements (REP, ERIC, BOX, GTG5 etc.), which are dispersed at multiple sites within prokaryotic genomes, and these elements serve as priming sites for amplification. By the use of specifically designed primers, annealing … Read more
What is Nanoparticle-Assisted PCR (nanoPCR)? Working Principle of Nanoparticle-Assisted PCR (nanoPCR) The nanoPCR method is introduced with nanoparticles (NPs) being added into a conventional PCR mixture which contains template DNA, primers, DNA polymerase, dNTPs, and buffer. With optimal NP size (often <100 nm) and concentration being selected, thermal conductivity is enhanced by NPs which accelerates … Read more
Types of PCR Here is the list of Types of PCR based on different categories; 1. Conventional PCR 2. High-fidelity PCR 3. Hot-Start PCR 4. Fast-cycling PCR 5. Touch down (TD) PCR 6. Real-Time PCR (qPCR) 7. Digital PCR (dPCR) 8. High-Resolution Melt (HRM) PCR 9. Reverse-Transcriptase PCR (RT-PCR) 10. RT-qPCR – Real-time quantitative reverse transcription … Read more
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