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Thieves, Deceivers, and Killers: Tales of Chemistry in Nature, by William Agosta

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The tobacco plant synthesizes nicotine to protect itself from herbivores. The female moth broadcasts sex pheromones to attract a mate, while a soldier ant deploys an alarm pheromone to call for help. The carbon dioxide on a mammal's breath beckons hungry ticks and mosquitoes, while a flower's fragrance speaks to the honey bee. Indeed, much of the communication that occurs within and between various species of organisms is done not by sight, sound, or touch, but with chemicals. From mating to parenting, foraging to self-defense, plant and animal activities are accomplished largely by the secretion or exchange of organic chemicals. The fascinating and fast-developing science that encompasses these diverse phenomena is introduced here, by William Agosta, in a series of remarkable stories absolutely accessible to the general reader yet revelatory to chemists and biologists.
Among Agosta's characters are the organisms that steal, counterfeit, or interpret the chemical signals of other species for their own ends. We learn of seeds that mimic ant odors to facilitate their own dispersion and flies that follow the scent of truffles to lay their eggs. We read about pit vipers that react in terror when their flicking tongues detect a king snake, and slave-making ants incapable of finding their own food. And we meet ice-age people who ate birch fungus to relieve whipworms and early human hunters who used the urine of wolves to maneuver deer to favorable sites.
Agosta also chronicles the rapid development of the applied science that makes use of chemical ecology. As researchers deepen our understanding of the biological world, they are making economically significant discoveries (such as enzymes that remain stable in extreme heat), finding ways to reduce our reliance on manufactured pesticides, identifying new uses for traditional medicines, and developing sophisticated new pharmaceuticals effective in treating malaria and several cancers. On the horizon are antiviral agents derived from the chemical defenses of marine species.
From the exploits of flies to the high-stakes effort to cure human disease, Agosta's tour of chemical ecology grants any reader entrance to the invisible realm where chemistry determines life and death.
- Sales Rank: #1242168 in Books
- Brand: Brand: Princeton University Press
- Published on: 2002-03-11
- Original language: English
- Number of items: 1
- Dimensions: 9.21" h x .52" w x 6.14" l, .80 pounds
- Binding: Paperback
- 248 pages
Features
- Used Book in Good Condition
Amazon.com Review
After sucking in the reader with a thrilling anthropomorphic account of an ant slave raid, Thieves, Deceivers and Killers relates tales of beetles, flowers, mussels, bacteria, and other organisms that eavesdrop on the chemical messages other species use to communicate. Not only do they eavesdrop on each other, they subvert the intercepted messages for their own ends, often killing the sender.
In contrast to Dr. Agosta's previous books on chemical messengers, wherein the material was organized by complexity or function, here he presents anecdotes demonstrating a particular biological interaction. There is the story of hawk moths, the only pollinators of western-prairie fringed orchids because their eyes are spaced just so; the one about ant-decapitating flies, who lay their eggs between an ant's head and abdomen (the decapitating occurs when the egg hatches into a maggot, which eats the ant's brain); and the case of parasitic wasps that can detect, from above ground, caterpillars hiding in ants' nests--although the ants themselves cannot detect the disguised caterpillars.
These episodes are followed by a glossary, so they are accessible to everyone. And though the anecdotes may seem to be very obscure or to involve overly exotic (and gross) creatures, Dr. Agosta amply demonstrates their relevance to human endeavors. Most notable are advances in the realms of pharmaceuticals (the discovery of new antibiotics in ants) and agriculture (the use of a fungus to control wild oats). Thieves, Deceivers and Killers ends with areas of active research and some unanswered questions, leaving us waiting eagerly for the sequel this title deserves. --Diana Gitig
From Publishers Weekly
Although humans communicate almost exclusively through language, a number of species rely heavily upon their chemical senses of smell and taste to detect or deflect danger in the environment, to petition a mate and to locate sources of food. In a detailed yet highly readable examination, more akin to a collection of short stories than a dry, scholarly inquiry, Agosta (Bombardier Beetles and Fever Trees, etc.) illuminates the role of chemicals in nature. The narrative opens with the dramatic tale of slave-making ants that steal the brood of a neighboring ant species. The battle is fought and won without many casualties or much effort, however, since slave-making ants possess a chemical weapon that causes their adversaries to flee in confusion, abandoning their young to a life of slavery. Other uses of chemicals include "eavesdropping" by prey on their predators' secretions to avoid imminent danger, and mimicry, or counterfeiting another creature's signals for one's own purposes. To protect themselves from herbivores, turnips take the offensive and produce a sulfur compound that repels most enemies, and which we identify as this vegetable's distinctive flavor. It is impossible to write about chemicals in the natural world without addressing the contributions of humans, the most adept manipulators of natural and derived chemicals, and Agosta covers the breadth of human involvementDfrom the practice of crushing sea snails to yield a royal purple dye in A.D. 60, to modern applications of an anti-cancer agent found in sea hares. Agosta's illuminating, well-written tale should appeal to a broad audience; though it lacks the particular grace of Lewis Thomas, many of that author's fans will find good, enlightening reading on biology here. (Nov. 20)
Copyright 2000 Reed Business Information, Inc.
From School Library Journal
Adult/High School-Agosta is one of those gifted educators-a scientific authority who can make his specialty interesting and appealing to lay readers. He opens with an interesting account of a military campaign mounted by the Protos against the Lepts. The Protos produce a chemical weapon that causes the Lepts to become confused and attack one another. At the end of the story, readers learn that the Protos and the Lepts are ants, and that their tale is true. After this auspicious beginning, the book continues to maintain interest. The topic is important today as science struggles to find "natural" pesticides produced by plants that can benefit agriculture without destroying the environment and antibiotics to which microbes are not yet immune. These topics and others are covered by fascinating glimpses into chemical evolution among living organisms. For those who have no interest in a 200-plus-page excursion into chemical ecology, the book still offers great reference value.
Carol DeAngelo, Kings Park Library, Burke, VA
Copyright 2001 Reed Business Information, Inc.
Most helpful customer reviews
12 of 12 people found the following review helpful.
Better living through chemistry?
By Dennis Littrell
The central message of this gracefully written, highly informative, and refreshingly modest book by Rockefeller University Professor Emeritus William Agosta is that there is a wealth of chemicals produced in nature that humans can effectively use to fight disease, control pests, and facilitate chemical reactions--if only we can find, understand and harvest them.
Agosta begins with a tale about a species of ant that enslaves members of another species using a variety of chemicals. He ends the book with the idea that we might find desperately needed new antibiotics by examining the chemicals made by animals "that form herds or flocks, as well as those that live in organized societies, such as the social insects..." (p. 212) Agosta's rationale is that other social creatures face the same danger that humans face, that of pathogens that rapidly spread in a crowd. Surely they have come up with some chemical defenses we might discover and employ ourselves. He cites ants as a particularly likely prospect for study and gives the example of the bulldog ants of Australia who, when injected with the common human intestinal bacterium, Escherichia coli, manufacture an antibiotic that promptly kills it.
In between the bookend chapters, Agosta spins tales about how microbes and insects, plants and sea creatures, fungi and arachnids attract, repeal, steal from, deceive, enslave, parasitize and kill one another, mainly with chemicals. The world he depicts is largely a world where eyes and ears are secondary to the sense of smell, a bizarre fairy land of complicated arrangements among species and delicate ecologies. A case in point is the in-door farm of the leaf-cutting ant which involves not only the ants and the trees they get the leaves from and the fungus they grow, but also the use of a species of streptomyces to produce an antibiotic to kill a fungal pest in their gardens. In other words, not only are ants farmers, they use pesticides!
Agosta emphasizes that we must understand the interactions of species to appreciate their use of chemicals. He uses the phenomenon of Lyme disease as an example, and how it is affected by the mass fruiting cycle of oak tree acorns which influence the numbers of mice and deer on which the ticks that harbor the Lyme disease parasites live. Two years after a bumper crop of acorns there is a concomitant rise in the number of people who get Lyme disease.
In particular, these are tales of parasite and host. I was startled to learn on page 223 that ticks and mites are so prevalent that they have "parasitized almost every organism larger than themselves." Indeed, something similar can be said of the nematodes (roundworms) who "have parasitized virtually every species larger than themselves." (p. 224) When one thinks about the countless viruses and bacteria that prey on humans and all the other animals and plants, one realizes that we live in a world of parasites.
However, the single most startling and mind-expanding thing I read in this book is the story in Chapter 11, "Real-World Complexity," of a wasp that uses a virus to help it subdue the hornworm caterpillars it deposits its eggs in. This opens up the possibility that we can use viruses to invade and kill microbes and cure disease. Perhaps this is already being done in laboratories somewhere, or at least is in the experimental stage.
All this information is interesting, even exciting, and potentially of great use by humans, but if we are to benefit from the chemical knowledge of microbes, plants and animals, we need to preserve what wild life we have left in the world, in particular that of the rain forests where there is such an incredible variety of life. These myriad creatures have, over the vast eons of time, learned to create and manufacture chemicals that we could never discover on our own. It would be a shame to throw away all this knowledge for a few trillion hamburgers....
I recall some years ago that a major corporation had as its advertising slogan: "Better living through chemistry." I used to always think when I heard that, "but life IS chemistry." This book strongly supports that idea.
8 of 8 people found the following review helpful.
great insight into insects, ants and other fascinating creatures
By Declan Hayes
Protos, Prof. William Agosta's opening chapter explains, have kept Lept slaves from time immemorial. The slaves raise their young, gather food for them and keep their homes clean. The Protos excel only at capturing the Lepts, who are remarkably loyal to their Proto masters, even becoming ferocious participants in slave-raids on their own kind. Both the Protos and Lepts are tiny ants, who live out their inter dependent lives in a world no bigger than a dinner table. They are only one of the many mysteries of nature this fascinating book brings to our attention.
Whereas stick insects use ants to disperse their eggs, the scuttle fly lays its eggs in the heads of the unfortunate ants it preys on. Some wasps lay their eggs within the eggs of stick insects while others fool ants into believing that their offspring are ants. The South American crab spider fools carpenter ants by carrying a dead ant in such a way that it walks, smells and looks like an ant. This neat trick allows the spider ant to capture and kill another dumb ant and repeat its bizarre ritual.
Because some 289,000 species of insects act as pollinators of flowering plan, Agosta's fine book shows how and why a lot of deals are cut for self-survival reasons. A single pound of honey, for example, represents the nectar from about 17,000 foraging trips and entails 7,000 bee-hours of labor. The flowers must have all kinds of sophisticated strategies to ensure the busy bees spread their seed. The rhizanthella gardneri, an Australian orchid, must have a peculiarly singular strategy; this is because it blooms underground and depends on scuttle flies to pollinate it. Chimpanzees and parrots, meanwhile, eat special plants when they are sick and some bacteria contain particles that act as compasses.
Life is strange - especially, as Agosta explains, for flower mites, which hitch rides with migrating hummingbirds, spending their summers on the California coast and winter in west-central Mexico. They do this by climbing into the bird's nostrils and alighting at the right flower to survive. They have less than 5 seconds to alight and achieve their "Mission Impossible". Older female mice, meanwhile, trick younger ones into not procreating, a case perhaps of brains over beauty!
As well as discussing a fascinating number of such examples, Agosta ventures further to show how history has been influenced by the lowliest of creatures. Although we generally loathe flies as disgusting creatures, without them, the author shows how our destiny would have been vastly different. Their diseases decimated Napoleon's Haitian army, forced him to sell Louisiana for a pittance to the United States and to abandon the Americas almost entirely. Malaria caused five times more casualties in the Pacific war than did the combatants. Because it is so lethal to humans and their domesticated animals, the tsetse fly keeps large swathes of Africa relatively underdeveloped. However, we are now using cattle urine to trap and exterminate them.
This is not as novel as it sounds. Agosta explains how our ancestors used the urine of wolves and dogs to trap deer. Prof. Agosta also gives us details of a company that sells over the Internet "100% predator urine" to repel raccoon, deer and other unwanted animals.
We live in a beautiful, complex but delicate ecology, where, as the author maintains, mutually beneficial bargains are done to ensure mutual survival. We have upset this balance immeasurably and, as Prof. Agosta's excellent book makes plain, we better make amends if we want the beautiful paradise of nature we have inherited to continue.
7 of 8 people found the following review helpful.
Tales of Chemistry in Nature
By ealovitt
This book is an information feast, digestible in small bites but too rich to be downed in a single gulp. It's an incredible collection of stories bound together by the thread of `chemistry in nature.' In fact, one of the stories concerns threads---the ancient Romans used to weave a sheer fabric called `linen mist' from the byssal threads of a large mollusk known as the noble pen shell (`Pinna nobilis').
Many of the lessons in chemical ecology concern ants and their sophisticated use of biochemicals to take slaves, grow crops, and manufacture antibiotics. In another chapter called "Real-World Complexities," the author maps the annual fluctuation of Lyme disease as dependent on the interaction of deer, bacteria-carrying deer ticks, mice, oaks, and gypsy moths. If only we could learn from these chemical interactions, before we destroy their ecology.
The author gives tantalizing glimpses at antibiotics, extremophile enzymes that don't break down when used as catalysts, fishing nets that are made out of spider webs, and many other ways we could capitalize on ecology if we took the time to learn from it.
There are many good science project ideas in "Tales of Chemistry in Nature." The book can be profitably read by adults and young adults. For adults already advancing down their chosen career paths, this book is a fascinating look at what the biochemists and ecologists may be learning from nature.
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