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Biocommunication (science)

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Not to be confused with Biocommunication (paranormal).

In the study of the biological sciences, biocommunication is any specific type of communication within (intraspecific) or between (interspecific) species of plants, animals, fungi,[1] protozoa and microorganisms.[2] Communication means sign-mediated interactions following three levels of rules (syntactic, pragmatic and semantic). Signs in most cases are chemical molecules (semiochemicals),[3] but also tactile, or as in animals also visual and auditive. Biocommunication of animals may include vocalizations (as between competing bird species), or pheromone production (as between various species of insects),[4] chemical signals between plants and animals (as in tannin production used by vascular plants to warn away insects), and chemically mediated communication between plants[5][6] and within plants.

Biocommunication of fungi demonstrates that mycelia communication integrates interspecific sign-mediated interactions between fungal organisms, soil bacteria and plant root cells without which plant nutrition could not be organized. Biocommunication of Ciliates identifies the various levels and motifs of communication in these unicellular eukaryotes. Biocommunication of Archaea represents key levels of sign-mediated interactions in the evolutionarily oldest akaryotes. Biocommunication of phages demonstrates that the most abundant living agents on this planet coordinate and organize by sign-mediated interactions. Biocommunication is the essential tool to coordinate behavior of various cell types of immune systems.[7]

Biocommunication, biosemiotics and linguistics

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Biocommunication theory may be considered to be a branch of biosemiotics. Whereas biosemiotics studies the production and interpretation of signs and codes, biocommunication theory investigates concrete interactions mediated by signs. Accordingly, syntactic, semantic, and pragmatic aspects of biocommunication processes are distinguished.[8] Biocommunication specific to animals (animal communication) is considered a branch of zoosemiotics.[9] The semiotic study of molecular genetics, can be considered a study of biocommunication at its most basic level.[10]

Interpretation of abiotic indices

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Birds migrate based on cues from their environment

Interpreting stimuli from the environment is an essential part of life for any organism. Abiotic things that an organism must interpret include climate (weather, temperature, rainfall), geology (rocks, soil type), and geography (location of vegetation communities, exposure to elements, location of food and water sources relative to shelter sites).[11]

Birds, for example, migrate using cues such as the approaching weather or seasonal day length cues. Birds also migrate from areas of low or decreasing resources to areas of high or increasing resources, most commonly food or nesting locations. Birds that nest in the Northern Hemisphere tend to migrate north in the spring due to the increase in insect population, budding plants and the abundance of nesting locations. During the winter birds will migrate south to not only escape the cold, but find a sustainable food source.[12]

Some plants will bloom and attempt to reproduce when they sense days getting shorter. If they cannot fertilize before the seasons change and they die then they do not pass on their genes. Their ability to recognize a change in abiotic factors allow them to ensure reproduction.[13]

Trans-organismic communication

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Trans-organismic communication is when organisms of different species interact. In biology the relationships formed between different species is known as symbiosis. These relationships come in two main forms - mutualistic and parasitic. Mutualistic relationships are when both species benefit from their interactions. For example, pilot fish gather around sharks, rays, and sea turtles to eat various parasites from the surface of the larger organism. The fish obtain food from following the sharks, and the sharks receive a cleaning in return.[14]

Parasitic relationships are where one organism benefits off of the other organism at a cost. For example, in order for mistletoe to grow it must leach water and nutrients from a tree or shrub.

Dandelion flower under both UV light coloration (left) and visible light coloration (right). UV coloration in flowers has evolved to attract pollinators with vision in the ultraviolet range.

Communication between species is not limited to securing sustenance. Many flowers rely on bees to spread their pollen and facilitate floral reproduction. To allow this, many flowers evolved bright, attractive petals and sweet nectar to attract bees. In a 2010 study, researchers at the University of Buenos Aires examined a possible relationship between fluorescence and attraction. The study concluded that reflected light was much more important in pollinator attraction than fluorescence.[15]

Communicating with other species allows organisms to form relationships that are advantageous in survival, and all of these relationships are all based on some form of trans-organismic communication.

Inter-organismic communication

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Inter-organismic communication is communication between organisms of the same species (conspecifics). Inter-organismic communication includes human speech, which is key to maintaining social structures.

Dolphins communicate with one another to aid navigation

Dolphins communicate with one another in a number of ways by creating sounds, making physical contact with one another and through the use of body language. Dolphins communicate vocally through clicking sounds and pitches of whistling specific to only one individual. The whistling helps communicate the individual's location to other dolphins. For example, if a mother loses sight of her offspring, or when two familiar individuals cannot find each other, their individual pitches help navigate back into a group. Body language can be used to indicate numerous things such as a nearby predator, to indicate to others that food has been found, and to demonstrate their level of attractiveness in order to find a mating partner, and even more.[16]

However, mammals such as dolphins and humans are not alone communicating within their own species. Peacocks can fan their feathers in order to communicate a territorial warning. Bees can tell other bees when they have found nectar by performing a dance when they return to the hive. Deer may flick their tails to warn others in their trail that danger is approaching.[17]

Intra-organismic communication

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Intra-organismic communication is not solely the passage of information within an organism, but also concrete interaction between and within cells of an organism, mediated by signs. This could be on a cellular and molecular level. An organism's ability to interpret its own biotic information is extremely important. If the organism is injured, falls ill, or must respond to danger, it needs to be able to process that physiological information and adjust its behavior.

For example, when the human body starts to overheat, specialized glands release sweat, which absorbs the heat and then evaporates.

A stress signal being transmitted intracellularly through a plant's phytohormones

This communication is imperative to survival in many species including plant life. Plants lack a central nervous system so they rely on a decentralized system of chemical messengers. This allows them to grow in response to factors such as wind, light and plant architecture. Using these chemical messengers, they can react to the environment and assess the best growth pattern.[18] Essentially, plants grow to optimize their metabolic efficiency.

Humans also rely on chemical messengers for survival. Epinephrine, also known as adrenaline, is a hormone that is secreted during times of great stress. It binds to receptors on the surface of cells and activates a pathway that alters the structure of glucose. This causes a rapid increase in blood sugar. Adrenaline also activates the central nervous system increasing heart rate and breathing rate. This prepares the muscles for the body's natural fight-or-flight response.[19]

Organisms rely on many different means of intra-organismic communication. Whether it is through neural connections, chemical messengers, or hormones,[clarification needed] these all evolved to respond to threats, maintain homeostasis and ensure self preservation.

Language hierarchy

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Given the complexity and range of biological organisms and the further complexity within the neural organization of any particular animal organism, a variety of biocommunication languages exists.

A hierarchy of biocommunication languages in animals has been proposed by Subhash Kak: these languages, in order of increasing generality, are associative, re-organizational, and quantum.[20][21] The three types of formal languages of the Chomsky hierarchy map into the associative language class, although context-free languages as proposed by Chomsky do not exist in real life interactions.

See also

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Notes

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  1. ^ Adamatzky, Andrew (2022). "Language of fungi derived from their electrical spiking activity". Royal Society Open Science. 9 (4): 211926. arXiv:2112.09907. Bibcode:2022RSOS....911926A. doi:10.1098/rsos.211926. PMC 8984380. PMID 35425630.
  2. ^ Gordon, Richard. Seckbach, Joseph (eds), (2016) Biocommunication: Sign-mediated interactions between cells and organisms. World Scientific
  3. ^ Regnier, F.E. (1971) Semiochemicals - Structure and Function. Biology of Reproduction 4, 309-326
  4. ^ Ananthakrishnan, T (1998). Biocommunication in Insects. Science Publishers. p. 104. ISBN 1-57808-031-2.
  5. ^ Taiz, Lincoln; Eduardo Zeiger (2002). "Plant Physiology Online". a companion to Plant Physiology, Third Edition. Sinauer Associates. Archived from the original on December 7, 2006. Retrieved 2006-12-26.
  6. ^ Farmer, EE; CA Ryan (1990). "Interplant Communication: Airborne Methyl Jasmonate Induces Synthesis of Proteinase Inhibitors in Plant Leaves". Proceedings of the National Academy of Sciences. 87 (19): 7713–7716. Bibcode:1990PNAS...87.7713F. doi:10.1073/pnas.87.19.7713. PMC 54818. PMID 11607107.
  7. ^ Rieckmann JC, Geiger R, Hornburg D, Wolf T, Kveler K, Jarrossay D, Sallusto F, Shen-Orr SS, Lanzavecchia A, Mann M, Meissner F. 2017. Social network architecture of human immune cells unveiled by quantitative proteomics. Nat Immunol. 18(5):583-593.
  8. ^ Tembrock, Günter (1971). Biokommunikation: Informationsübertragung im biologischen Bereich. Berlin: Akademie-Verlag.
  9. ^ Sebeok, Thomas (ed.) 1977. How Animals Communicate. Bloomington: Indiana University Press.
  10. ^ Emmeche, Claus; Jesper Hoffmeyer (1991). From Language to Nature - the semiotic metaphor in biology. Semiotica 84 (1/2): 1-42, 1991. Archived from the original on October 14, 2006. Retrieved 2006-12-31.
  11. ^ Caduto, M. & Bruchac, J. (1988). Keepers of the earth: Native American stories and environmental activities for children. Golden, CO: Fulcrum.
  12. ^ Keyes, R. (1982). Sharks: An Unusual Example of Cleaning Symbiosis. Copeia, 1982(1), 225-227. doi:10.2307/1444305 JSTOR 1444305
  13. ^ Tafforeau M, Verdus MC, Norris V, Ripoll C, Thellier M. Memory processes in the response of plants to environmental signals. Plant Signal Behav. 2006 Jan;1(1):9-14. doi: 10.4161/psb.1.1.2164.
  14. ^ Wheatcroft, D., Price, T., & Wheatcroft, D. (2013). Learning and signal copying facilitate communication among bird species. Proceedings. Biological Sciences, 280(1757), 20123070–20123070. doi:10.1098/rspb.2012.3070
  15. ^ Iriel, A., Lagorio, M.G. Is the flower fluorescence relevant in biocommunication?. Naturwissenschaften97, 915–924 (2010). https://doi.org/10.1007/s00114-010-0709-4
  16. ^ How Do Dolphins Communicate? Whale Facts. 2015 Jul 11 [accessed 2020 Apr 3]. https://www.whalefacts.org/how-do-dolphins-communicate/
  17. ^ How Do Animals Communicate? Wonderopolis. [accessed 2020 Apr 3]. https://wonderopolis.org/wonder/how-do-animals-communicate
  18. ^ Witzany, Günther. (2006). Plant communication from biosemiotic perspective: Differences in abiotic and biotic signal perception determine content arrangement of response behavior. context determines meaning of meta-, inter- and intraorganismic plant signaling. Plant Signaling and Behavior, 1(4), 169–178. https://doi.org/10.4161/psb.1.4.3163
  19. ^ “Understanding the Stress Response.” Harvard Health, Harvard Health Publishing: Harvard Medical School, 1 May 2018, www.health.harvard.edu/staying-healthy/understanding-the-stress-response.
  20. ^ Kak, S. The three languages of the brain: quantum, reorganizational, and associative. In Learning as Self-Organization, Karl Pribram and J. King (editors). Lawrence Erlbaum Associates, Mahwah, NJ, 185-219, 1996.
  21. ^ Kak, S. Communication languages and agents in biological systems. Archived 2019-07-24 at the Wayback Machine In: Biocommunication: Sign-Mediated Interactions between Cells and Organisms. Eds.: J. Seckbach & R. Gordon. London, World Scientific Publishing: 203-226, 2016.
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