Flipons

The Discovery of Z-DNA and Soft-Wired Genomes

Alan Herbert

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English

CRC Press
27 March 2024

Endocrinology; Life sciences: general issues; Biochemistry; Molecular biology; Cellular biology (cytology)

Alan Herbert has played a leading part in discovering the biological roles for a high-energy form of DNA twisted to the left rather than to the right. Both Z-DNA and the Z-RNA sensing proteins are critical for protecting hosts against both viruses and cancers. The proteins also play critical roles in the programmed cell death of aging cells. Other types of flipons exist and alter the readout of transcripts from the genome, encoding genetic information by their shape rather than by their sequence. Many of these flipons are within repeat elements that were previously considered to be just genomic junk. Instead these genetic elements increase the adaptability of cells by flipping DNA conformation. By acting as digital switches, the different flipon types can alter cellular responses without any change to their sequence or any damage to DNA. These highly dynamic structures enable the rapid evolution of multicellular organisms. The junk DNA in repeats also encode peptide patches that enable the assembly of cellular machines. The intransitive logic involved enhances the chance of an individual surviving a constantly changing environment.

Key Features

Causes us to rethink how information is encoded in the genome Changes our understanding of how our genome evolved and how we protect ourselves against viruses and cancers while sparing normal cells Shows that high energy forms of DNA, such as left-handed DNA do exist inside the cell Accessible to those in academia and the general public, and speaks to the next generation, encouraging them to find their own path in scientific discovery

The Open Access version of this book, available at http://www.taylorfrancis.com, has been made available under a Creative Commons Attribution-Non-Commercial-No Derivative License (CC-BY-NC-ND) 4.0 license.

By: Alan Herbert
Imprint: CRC Press
Country of Publication: United Kingdom
Dimensions: Height: 234mm, Width: 156mm,
Weight: 930g
ISBN: 9781032731087
ISBN 10: 1032731087
Pages: 209
Publication Date: 27 March 2024
Audience: College/higher education , Professional and scholarly , Primary , Undergraduate
Format: Paperback
Publisher's Status: Active

Dr. Alan Herbert's career spans both academia and industry. He is Head of Discovery at InsideOutBio and has published in high profile journals. His work on left-handed Z-DNA and Z-RNA has proven that besides the right-handed DNA double helix that Watson and Crick first described, higher energy forms of DNA and RNA are used in the cell to regulate many important biological functions including defenses against viruses and cancer and to regulate the readout of information from the genome. His publications include one providing the first genetic evidence for the biological relevance of the Z-DNA/Z-RNA conformation. This work started with his discovery at MIT of the Zα family of proteins that recognize a form of left-handed DNA called Z-DNA. During this time, Dr. Herbert has had many fruitful collaborations with scientists worldwide who have made great contributions to the work. These discoveries led to the therapeutic targeting of ZBP1lated to develop a new therapy for the treatment of solid tumors. In other endeavors, he pioneered the use of Genome Wide Association Studies at Boston University and contributed to the development of new drug programs at Merck. Dr. Herbert has also helped expand understanding of the role of the alternative DNA structures encoded by genetic elements called flipons in evolution. He has also detailed mechanisms by which the interactions between small noncoding RNAs and flipons regulate the sequence-specific read of genes during embryonic development.