Miguel Lillo
Miguel Ignacio Lillo, Argentine naturalist and philologist (Tucumán 27 July 1862 – Tucumán 04 May 1931) DESCRIBED TAXA Plantae About 70 new species Aves Genus Pseudocolopteryx 1905 Species Pseudocolopteryx dinelliana 1905 Eudromia formosa 1905 Subspecies Asthenes pyrrholeuca leptasthenuroides 1905 Cyanoliseus patagonus andinus 1913 with Dabbene Eudromia elegans intermedia 1913 with Dabbene HONORS Michelilloa Archangelsky & Brett 1963 (Fossil Plantae) Lilloaciura Aczel 1953 (Diptera) Lilloiconcha Weyrauch 1965 (Mollusca Gastropoda)
Miguel Layrisse
Miguel Angel Layrisse Marrero, Venezuelan nutritionist and hematologist (Caracas 06 May 1919 – Caracas 22 February 2002) Authored over 267 scientific papers and 7 books Discovered Diego blood factor, the first practically confined to people of Mongoloid origin With T. Arends & R. Domíguez Sisco. Nuevo grupo sanguíneo encontrado en descendientes de indios. Acta Med. Venez. 3:132, 1955 With Z. Layrisse, E. García, J. Wilbert & J.R. Parra. New Rh phenotype, Dcceieif, found in a Chibcha Indian tribe. Nature 191:503-4, 1961 With T. Arends, M.L. Gallango, J. Wilbert & H.D. Heinen. Albumin Warao: new type of human alloalbuminemia Blood 33(3):414-20, 1969 With Z. Layrisse, M. Pulido Rodríguez & H.D. Heinen. LD homozygous cells in the Warao population: a possible new allele at the LD1 Locus within the main histocompatibility region in man. Tissue Antigen 6(4):326-34, 2008 First to describe hemolytic anaemia caused by Ancylostoma sp. With Z.M. Layrisse & P. Díez. La naturaleza y causa de la infección por anquilostomo. Primera descripción de la anemia hemolitica, de las anemias cronicas por deficiencia de hierro, con o sin infección, por anquilostomo. (1960s) Found that heme iron from meat increased the absorption of iron from other sources known as meat effect With C. Martínez Torres & M. Roche. Effect of interaction of various foods on iron absorption. Amer. J. Clin. Nutr. 21:1175, 1968 Provided the concept of intraluminal pools of heme iron and non-heme iron With J.D. Cook, C. Martínez Torres, R. Walker, E. Monsen & C.A. Finch. Food iron absorption measured by an extrinsic tag. J. Clin. Invest. 51:805-15, 1972 Described a new property of vitamin A that enhances iron absorption in foods With M.N. García Casal, L. Solano, M.A. Barón et al. New property of vitamin A and beta-carotene on human iron absorption: effect on phytate and polyphenols as inhibitors of iron absorption. Arch. Latinoam. Nutr. 50(3):243-8, 2000 Methods With C. Martínez Torres & J.M. Gonzalez. Determinación de la absorción total de hierro de la alimentación por metodos isotópicos With C. Martínez Torres. Model for measuring dietary absorption of heme iron: test with a complete meal. Amer. J. Clin. Nutr. 25:401-11, 1972 Papers in Science/Nature With Z.M. Layrisse, H.D. Heinen & J. Wilbert. The histocompatibility system in the Warao Indians of Venezuela. Science 794:1135-8, 1976 With J. Wilbert. Absence of the Diego antigens, a genetic characteristic of early immigrants to South America. Science 134(3485):1077-8, 1961 With Z. Layrisse. Frequency of the new blood group antigen Js among South American Indians. Nature 184:640, 1959 With T. Arends & J. Wilbert. Peculiar distribution of the Diego factor among the Warao. Nature 181:118-9, 1958 With T. Arends. The Diego blood factor in Mongoloid populations. Nature 179:478-9, 1957 With T. Arends. The Diego blood factor in Chinese and Japanese. Nature 177:1083-4, 1956 With P. Levine, E.A. Robinson, T. Arends & R. Domínguez Sisco. The Diego blood factor. Nature 177:40, 1956 With T. Arends. High incidence blood group found in Venezuelan Indians. Science 123:633, 1956 PATENTS Ferroivic, an iron compound (1993) Hematalaco, an automatic device for blood transfusion in newborn babies (1965)
Mario Luxoro
Mario Fernando Luxoro Mariani, Chilean biophysicist and physiologist (Santiago 01 February 1926 – Santiago 26 December 2016) From Italian descent Some of the most relevant papers in the literature about membrane excitability were produced in his lab Provided the first demonstration that proteins rather than lipids are involved in the flux of ions across the nerve plasma membrane, participating in the generation of the action potential With Eduardo Rojas. Microinjection of trypsin into axons of squid. Nature 199:78-9, 1963 Recognized the dynamic state of intracellular calcium With S. Rissetti. Calcium eflux in giant axons. Biochem. Biophys. Acta 135:368-70, 1967 With E. Yañez. Permeability of the giant axon of Dosidicus gigas to calcium ions. J. Gen. Physiol. 51 (part.2): 115-22, 1968 With E. Rojas proposed a model that allowed the calculation of the intracellular calcium concentration, the kinetic constants for calcium binding and release, and its membrane permeability Other relevant papers Observations in myelin structure: incisures and nodal regions. Proc. Natl. Acad. Sci. USA 44;152-6, 1958 Incorporation of aminoacids labeled with carbon-14 in nerve proteins during activity and recovery. Nature 188;119-20, 1960 With I. Tasaki. Intracellular perfusion of Chilean giant squid axons. Science 145:1313-5, 1964 With I. Tasaki & R. Ruarte. Electrophysiological studies of Chilean squid axons under internal perfusion with sodium-rich media. Science 150:899-901, 1965
Marcos Rafael Lamothe-Argumedo
Marcos Rafael Lamothe-Argumedo, Mexican helminthologist and parasitologist (Ciudad de Mexico 25 April 1932 – Ciudad de Mexico 17 December 2013) Authored over 130 papers, 26 book chapters and 4 books DESCRIBED NEW TAXA (Monogenea, Digenea and Trematoda) Subfamilies 2 Genera Bravocotyle 1968 Caballeroiella 1977 Caballerocythus 2005 with Falcon Ordaz, Garcia Prieto & Fernandez Caluromytrema 1989 Campechetrema 1997 with Salgado Maldonado & Pineda López Mamaevicotyle 1984 Margotrema 1972 Mexicotrema 1969 Paradawesia 1976 with Bravo-Hollis Pelaezia 1986 with Ponciano Rodríguez Polycryptocylix 1973 Polymicrocotyle 1967 Pseudocaencicola 1993 with Salgado Maldonado & Pineda López Riojatrema 1964 Stunkardiella 1986 with Ponciano Tabascotrema 1990 with Pineda López Winteria 1971 Species 41 (until 2008) HONORS Lamotheoxyuris Falcón Ordaz, Fernandez & García Prieto 2010 (Nematoda)
Manuel López Figueiras
Manuel López Figueiras, Cuban-born Venezuelan botanist and lichenologist (Jobabo, Las Tunas 16 June 1915 – Caracas 25 April 2012) From Spanish parents DESCRIBED NEW SPECIES Plantae Species (with Ruiz Terán) Libanothamnus griffini 1976 Libanothamnus wurdackii 1976 Paragynoxys cuatrecasasii 1974 Pentacalia mason-halei 1976 Ruilopezia cuatrecasasii 1974 Ruilopezia lopez-palacii 1976 Lichenes Species (with Mason Hale 1979) Everniastrum paramense Hypotrachyna cendensis Hypotrachyna meridiensis Hypotrachyna neoflavida Parmotrema larense HONORS Lopezaria Kalb & Hafellner 1990 (Lichenes) Ruilopezia Cuatrecasas 1976 (Asteraceae)
Makund Behari Lal
Makund Behari Lal Sahab, Indian helminthologist and parasitologist (Sitapur District, Uttar Pradesh State 31 January 1907 – Dayalbagh, Agra State 05 December 2002) Authored over 100 research papers First to demonstrate that the pungent smell of the stink gland secretion of millipeds is due to chlorine (1933) Demonstrated a simple method for maintaining live Echinorhynchus truttae for several days using 1% solution of sodium chloride (1947) Demonstrated in detail how the infection of the snail by trematode larvae affects the life of the host With S.C. Shrivastava proved the non-chitinous nature of the scorpion epicuticle (1957) Demonstrated the occurrence of haemoglobin in helminths (1959) Showed that the vitelline gland in helminths produce a secretion comprising sclerotin With G.N. Johri first to present a step by step sequence of shell formation in Fasciola indica (1967) Papers in top journals A new trematode metacercaria from the eyes of trout. Nature 171 (4342):130-1, 1953 With M.S. Kanungo. Invertase in Palamnaeus bengalensis. Science 117 (3029):57-8, 1953 With B.B. Saxena. Uricotelism in the common Indian apple-snail, Pila globosa (Swainson). Nature 170 (4337):1024, 1952 Occurrence of larval helminths in Gammarus pulex (L) from the Braid Burn, Edinburgh. Nature 169 (4305):752, 1952 With N.K. Chowdhury & K.Kishor. Purification of the anticoagulant principle obtained from the Indian cattle leech, Hirudinaria. Science 114 (2974):696-7, 1951 With N.K. Chowdhury. Anticioagulant activity of the Indian cattle leech. Nature 166 (4220):480, 1950 Acanthocephala of trout and Anthelmintics: behaviour in vitro. Nature 159 (4042):545-6, 1947 DESCRIBED HELMINTH TAXA Genera Chinhuta (1937) Hindia (1936) Klossinema 1968 Lieftinckana 1959 Naviformia 1936 Neoalaria 1939 Oswaldocruzia 1942 Psilorchis 1936 with Thapar Receptocoelum 1939 Typhlophilus 1936 Species About 35 BIBLIOGRAPHY Data extracted from Proceed. Internat. Conf. Intern. Conf. Environ. Parasitol. Commun. Health Care Initiatives: ENPARACOHI, Oct 13-15, 2007