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Relevant bibliographies by topics / Prebiotic molecules

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Journal articles

Academic literature on the topic 'Prebiotic molecules'

Author: Grafiati

Published: 14 September 2022

Last updated: 10 March 2023

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Journal articles on the topic "Prebiotic molecules"

1

Rinninella, Emanuele, and Lara Costantini. "Polyunsaturated Fatty Acids as Prebiotics: Innovation or Confirmation?" Foods 11, no. 2 (2022): 146. http://dx.doi.org/10.3390/foods11020146.

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The International Scientific Association for Probiotics and Prebiotics (ISAPP), in its last consensus statement about prebiotics, defined polyunsaturated fatty acids (PUFAs) as “candidate prebiotics” due to a lack of complete scientific evidence. Previous studies have demonstrated the ability of microbiota to metabolize PUFAs, although the role of the resulting metabolites in the host is less known. Recent partial evidence shows that these metabolites can have important health effects in the host, reinforcing the concept of the prebiotic action of PUFAs, despite the data being mostly related t

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Thaddeus, P. "The prebiotic molecules observed in the interstellar gas." Philosophical Transactions of the Royal Society B: Biological Sciences 361, no. 1474 (2006): 1681–87. http://dx.doi.org/10.1098/rstb.2006.1897.

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Over 130 molecules have been identified in the interstellar gas and circumstellar shells, the largest among them is a carbon chain with 13 atoms and molecular weight of 147 (twice that of the simplest amino acid glycine). The high reliability of astronomical identifications, as well as the fairly accurate quantitative analysis which can often be achieved, is emphasized. Glycine itself has been claimed, but a recent analysis indicates that few, if any, of the astronomical radio lines attributed to glycine are actually from that molecule. Polycyclic aromatic hydrocarbons (PAHs) have long been pr

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3

Balucani, Nadia. "Gas-phase prebiotic chemistry in extraterrestrial environments." Proceedings of the International Astronomical Union 5, H15 (2009): 682–83. http://dx.doi.org/10.1017/s1743921310010938.

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AbstractA variety of molecular species up to complex polyatomic molecules/radicals have been identified in many extraterrestrial gaseous environments, including interstellar clouds, cometary comae and planetary atmospheres. Amongst the identified molecules/radicals, a large percentage are organic in nature and encompass also prebiotic molecules. Different types of microscopic processes are believed to be involved in their formation, including surface processes, ion- and radical- molecule reactions. A thorough characterization of such a complex chemistry relies on a multi-disciplinary approach,

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4

Chandru, Mamajanov, Cleaves, and Jia. "Polyesters as a Model System for Building Primitive Biologies from Non-Biological Prebiotic Chemistry." Life 10, no. 1 (2020): 6. http://dx.doi.org/10.3390/life10010006.

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A variety of organic chemicals were likely available on prebiotic Earth. These derived from diverse processes including atmospheric and geochemical synthesis and extraterrestrial input, and were delivered to environments including oceans, lakes, and subaerial hot springs. Prebiotic chemistry generates both molecules used by modern organisms, such as proteinaceous amino acids, as well as many molecule types not used in biochemistry. As prebiotic chemical diversity was likely high, and the core of biochemistry uses a rather small set of common building blocks, the majority of prebiotically avail

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5

Brown, Ronald D. "Prebiotic Matter in Interstellar Molecules." Symposium - International Astronomical Union 112 (1985): 123–37. http://dx.doi.org/10.1017/s0074180900146431.

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With the discovery of the first polyatomic molecules, NH3, H2O and H2CO in 1968/9 there was immediate speculation as to how far biological chemical evolution - from atoms to small carbon compounds of biological significance - could have occurred in the Galaxy. There was also potential conflict with the canonical scientific view of the origin of life, traceable to the production of simple bio-molecules from the influence of energetic atmospheric events on the simple gaseous mixture (CH4, H2, H2O and NH3) presumed to compose the atmosphere of the very young Earth.

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6

Winnewisser, Gisbert. "Interstellar Molecules of Prebiotic Interest." International Astronomical Union Colloquium 161 (January 1997): 5–22. http://dx.doi.org/10.1017/s0252921100014573.

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AbstractThe field of interstellar molecules is reviewed with special consideration of molecules which are of potential biological interest. At present more than 110 interstellar molecules have been identified in interstellar clouds and circumstellar envelopes. The more complex molecules are found in the dense cores which are often the sites of active star formation. These locations represent prime targets for the search of larger molecules such as glycine and possibly other amino acids. However, in the list of detected interstellar molecules still many simple hydrides are missing, e.g. SH, PH,

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7

Villicana-Pedraza, I., R. Walterbos, F. Carreto-Parra, et al. "Preliminary results from prebiotic molecules with ALMA in the era of artificial intelligence." Proceedings of the International Astronomical Union 15, S352 (2019): 248–50. http://dx.doi.org/10.1017/s1743921319009220.

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AbstractStudy of the composition from diverse sources of the Universe helps to us to understand their evolution. Molecular spectroscopy provides detailed information of the observed objects. We present a small study of the starburst NGC 253 with ALMA at 1mm. We detect the prebiotic molecules NH2CHO, and CNCHO. We obtain the integrated intensity maps and abundances of HNCO, CH3OH, H3O+ and CH3C2H. We propose the use of Artificial Intelligence for big data to find prebiotic molecules in galaxies.

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8

Micca Longo, Gaia, Luca Vialetto, Paola Diomede, Savino Longo, and Vincenzo Laporta. "Plasma Modeling and Prebiotic Chemistry: A Review of the State-of-the-Art and Perspectives." Molecules 26, no. 12 (2021): 3663. http://dx.doi.org/10.3390/molecules26123663.

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We review the recent progress in the modeling of plasmas or ionized gases, with compositions compatible with that of primordial atmospheres. The plasma kinetics involves elementary processes by which free electrons ultimately activate weakly reactive molecules, such as carbon dioxide or methane, thereby potentially starting prebiotic reaction chains. These processes include electron–molecule reactions and energy exchanges between molecules. They are basic processes, for example, in the famous Miller-Urey experiment, and become relevant in any prebiotic scenario where the primordial atmosphere

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9

Miller, Stanley L. "Endogenous synthesis of prebiotic organic molecules." Origins of Life and Evolution of the Biosphere 26, no. 3-5 (1996): 201–2. http://dx.doi.org/10.1007/bf02459712.

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10

Van Loo, Jan. "The specificity of the interaction with intestinal bacterial fermentation by prebiotics determines their physiological efficacy." Nutrition Research Reviews 17, no. 1 (2004): 89–98. http://dx.doi.org/10.1079/nrr200377.

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The concept of prebiotic food ingredients is an important recent development in nutrition. The concept has attracted a great deal of attention, and many food ingredients (mainly dietary carbohydrates) have been claimed to be ‘prebiotic’. It is emphasised that in order to be called prebiotic, a compound should be: (1) non-digestible; (2) fermentable; (3) fermentable in a selective way. These properties should be demonstrated in human volunteers in at least two independent dietary intervention trials. On the basis of published and unpublished results, it is shown in the present paper that the wa

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