To hold bacterial DNA in a more compact configuration, specificproteins must bind to the DNA and stabilize its conformation.Several different proteins are involved in this process. Some of theseproteins, such as H-NS, have been referred as histone-like, due totheir functional similarity to the histone proteins found in eukaryotes.Based on your knowledge of eukaryotic histone proteins, whatbiochemical properties would you expect bacterial histone-likeproteins to have?
Bacterial Morphology
The bacteria are prokaryotic organisms that are single-celled, and are found to exist as free-living and possess a microscopic size. The morphology is found to vary in the bacteria, where some of them are identified as individual organisms and the others are detected as colonies. The size and shape of the bacterial cell also represent its morphology.
Bacterial cell structure
Bacteria are single-celled, tiny creatures that may enter healthy tissues and grow rapidly. Bacteria are microscopic organisms that are tiny and unicellular. These are members of the prokaryote kingdom. They live in water, air, soil, and all-natural environments. They are used in industrial and therapeutic processes, and they support a wide range of plant and animal life. The first organism to appear on the planet. Bacteria-like creatures are the oldest known fossils. Bacteria can consume a wide range of organic and inorganic elements, and some may even survive in harsh conditions.
To hold bacterial DNA in a more compact configuration, specific
proteins must bind to the DNA and stabilize its conformation.
Several different proteins are involved in this process. Some of these
proteins, such as H-NS, have been referred as histone-like, due to
their functional similarity to the histone proteins found in eukaryotes.
Based on your knowledge of eukaryotic histone proteins, what
biochemical properties would you expect bacterial histone-like
proteins to have?
The DNA ( deoxyribonucleic acid) is the genetic material of the organism. In Eukaryotic organisms the DNA may be of several metres in length. However the size of the nucleus is several micrometres in diameter. The DNA undergoes chromosomal packaging which enables it to form a content structure that may fit into the nucleus of the organism. In doing so the DNA wraps around the nuclear proteins commonly known as histones to form The structures known as chromatins.
The bacterial histone-like proteins have similar functions like the stones and Eukaryotic chromosome.
- The bacterial histone-like proteins are small in structure.
- They are basic in nature and are positively charged which allows the DNA to wrap tightly around them.
- They bind to the DNA sequence dependent manner unlike other proteins which bind to the DNA at specific sequence.
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