Researchers at the LOEWE Centre for Translational Biodiversity Genomics (TBG) have discovered a significant diversity of enzymes in spider venom, previously overshadowed by the focus on neurotoxins.
These enzymes, found across 140 different families, could revolutionize industries by offering sustainable solutions in waste management and detergent manufacturing due to their biochemical properties. This discovery expands the potential uses of spider venom beyond traditional medical and agricultural applications, promising new research and economic opportunities.
Exploring the Complexity of Spider Venoms
With approximately 52,000 species of spiders globally, these arachnids are incredibly diverse and produce some of the most complex venoms in the animal kingdom. A single species' venom can contain more than 3,000 distinct molecules, most of which are neurotoxins designed to subdue insect prey.
However, a research team from the LOEWE Centre TBG and the Fraunhofer Institute for Molecular Biology and Applied Ecology's Bioresources branch (IME-BR) in Giessen, Germany, has uncovered a surprising discovery: spider venom is not just about neurotoxins. It also contains a wide variety of enzymes. The findings, published in npj Biodiversity from the Nature group of journals, highlight the untapped potential of these enzymes and their role in venom complexity.
Enzymatic Diversity in Spider Venom
"In the past, a few pioneering studies suggested the presence of enzymes in spider venoms, but a targeted search for them has never been carried out. We took on this task and systematically screened the raw data of all so far venom-wise analyzed spiders for enzymes. We were able to show that there are in fact more than 140 different enzyme families in their venom," explains study leader Dr. Tim Lüddecke, head of the Animal Venomics working group at the IME-BR and the Justus Liebig University in Giessen.
"This means, among others, that we have dramatically underestimated the chemical diversity of spider venoms so far, as all calculations of complexity are based on the neurotoxins alone."
Potential Applications of Spider Venom Enzymes
According to the authors, the results of the work not only enable new research approaches to better understand the evolution and function of spider venoms, but also open new perspectives for their use.
"Enzymes are key building blocks of the bioeconomy. They accelerate chemical reactions and are characterized by very low by-product formation, low energy consumption, and biodegradability. They can therefore be used to create value in a highly sustainable way. Industry is therefore constantly looking for new sources of enzymes," explains Josephine Dresler, PhD student in the working group and first author of the study.
"Some of the enzymes we have identified could be used in detergents or waste management, for example, because of their fat-splitting or protein-degrading properties. They could make a significant contribution to a sustainable transformation there," says Dresler.
Unlocking New Research and Industry Opportunities
The work of the Giessen scientists highlights the translational potential hidden in animal venoms, especially those of spiders.
"So far, the spider venom community has focused exclusively on medical or agricultural applications. Our discovery opens up the possibility of establishing a completely new field of applied research," explains Lüddecke. "But we are only at the beginning, as less than one percent of all spider species have been studied for their venoms. I am confident that we will make more exciting discoveries in the remaining 99 percent of the world's spider fauna!"
Reference: "Enlightening the toxinological dark matter of spider venom enzymes" by Josephine Dresler, Volker Herzig, Andreas Vilcinskas and Tim Lüddecke, 13 September 2024, npj Biodiversity.
DOI: 10.1038/s44185-024-00058-2
News
Cancer’s Hidden Antioxidant Shield Helps It Escape the Immune System
Blocking an antioxidant protein that tumors use to suppress immune attacks improved cancer immunotherapy responses in mice. Cancer cells can release antioxidants that interfere with the immune cells trying to kill them. Researchers have [...]
Scientists Find a Berry Compound That Helps Muscle Cells Burn Fat
Pterostilbene, a compound found naturally in some foods, affects how skeletal muscles process fats by stabilizing a protein called PPARδ and increasing its signaling activity. Pterostilbene, a natural compound found in blueberries, grapes, and [...]
Two Hidden Forces Help Build the Human Brain Before Birth
Scientists have uncovered two surprising forces that help guide how the human brain forms before birth. Before birth, the human brain is shaped in large part by an unusual class of stem cells known [...]
Researchers Uncover a Hidden Trigger Behind Chronic Inflammation
The findings offer new insights that could help guide the development of future therapies. A protein called human resistin may help flip on one of the immune system’s most powerful inflammatory switches. Researchers at [...]
Scientists Have Uncovered Previously Hidden Microbial Activity on Human Skin
The most abundant microbes on your skin may not be the ones doing most of the work. Human skin supports vast communities of bacteria, fungi, and viruses that can influence its protective barrier, immune [...]
Brazilian Tree Compounds Fight COVID-19 on Multiple Fronts
Scientists found compounds in a Brazilian tree that hit SARS-CoV-2 on multiple fronts, revealing a promising new lead in the search for COVID-19 treatments. Researchers have found that galloylquinic acids extracted from the leaves [...]
Cutting Two Amino Acids Slowed Prostate Cancer in Mice
A newly identified link between amino acid metabolism and cholesterol production may help prostate tumors adapt to hormone therapy. Prostate cancer can find ways around treatments designed to deprive tumors of the hormones they [...]
Largest-Ever Physics Survey Raises New Doubts About Our Model of the Universe
Physicists around the world remain deeply divided on key mysteries of the universe, from dark matter to quantum gravity. The standard cosmological model failed to gain majority support, and no leading theory dominated the [...]
Scientists Just Overturned a 100-Year-Old Belief About Bacteria in the Lungs
New findings raise questions about the role of microbes living in the lungs. More than 35 trillion bacteria live throughout the human body, forming microbiomes in the gut, mouth, lungs, skin, and urogenital tract. [...]
GHCE Concept
From the preface of the book Global Health Care Equivalency in the Age of Nanotechnology, Nanomedicine and Artificial Intelligence, Edited by Frank Boehm: Since the publication of my first book (Nanomedical Device and Systems [...]
Novartis, Ionis drug failure spurs questions
Pelacarsen didn’t protect heart health despite lowering levels of a protein particle, “Lp(a),” in a large clinical trial — a result with important implications for cardiovascular drug research. Dive Brief: An RNA drug from [...]
New injectable treatment helps the brain rebuild after stroke
Biomedical engineers at Duke University have created an injectable biomaterial that may help the brain recover from damage left behind by an ischemic stroke. In experiments with mice, the material transformed the cavity created [...]
Scientists Discover a Hidden “Immune Organ” Inside the Skull
Researchers discovered lymph node-like immune hubs inside skull bone marrow that appear to act as rapid-response centers for the brain. For decades, the brain was thought to operate largely apart from the immune system. [...]
Engineered tRNAs and lipid nanoparticles target nonsense mutation cystic fibrosis
Researchers have developed a potential new approach for treating a form of cystic fibrosis caused by so-called nonsense mutations, combining chemically modified transfer RNAs with lipid nanoparticles designed to deliver the therapy directly to [...]
New pancreatic cancer drug carries a $39,800 monthly list price
A groundbreaking treatment for one of the most common forms of pancreatic cancer has been approved in pill form by the FDA. Revolution Medicines’ oral tablet daraxonrasib, branded as Rasonque, reduced the risk of [...]
Researchers Have Discovered a New Way To Reduce Chronic Nerve Pain
A cancer-linked protein called BRAF may help drive chronic nerve pain, and existing cancer drugs targeting it reduced pain sensitivity in preclinical models. Chronic nerve pain can persist long after an injury and often [...]
