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ACADEMIC POSITIONS
Dr. Maldonado received his degree in Biology from Complutense
University of Madrid in 1986. He conducted post-graduate studies at the Faculty
of Biology in
MAIN RESEARCH INTERESTS
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Dr. Maldonado is actively researching on various
aspects of sponge biology and general marine ecology, with particular interest
on:
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1. Sponge reproduction, larval biology and
recruitment ecology, 2. Production of siliceous skeletons and Si cycling
in the ocean, 3. Mutualisms and symbiosis processes, 4. Bathymetric and geographic distributions, 5. Sponge taxonomy, 6. Environmental impact by marine
fish farming |
RECENT & ON-GOING GRANTS
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TITLE: Cytological and molecular investigations on incipient evolutionary stages
in animal multicellularity. GRANT REF: MCI - BFU2008- 00227/BM.
P.I.: Manuel Maldonado.
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TITLE: The role of
benthic organisms on the control of primary production: towards a new view of
the benthic-pelagic coupling of the marine Si cycle. GRANT REF: MEC-
CTM2005-05366/MAR. P.I.: Manuel Maldonado.
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TITLE:
Silicon cycling in reef systems: The overlooked benthic side. GRANT REF: Smithsonian Institution. Caribbean
Coral Reef Ecosystem Program. P.I.: Manuel Maldonado.
·
TITLE: Searching the
origin of multicellularity: a new perspective by immunocytochemical approach.
GRANT REF: MCYT-BMC2002-0128. P.I.: Manuel Maldonado.
· TITLE: Evaluation
of environmental impact in Mediterranean coastal systems by caged fish farming:
CONTRACT: CONEI OVERSEAS INVESTMENTS S.L. P.I.: Manuel Maldonado.
· TITLE: Silicon
limitation in coastal system: histological, ecological and evolutionary
implications for siliceous sponges. GRANT REF: MCYT-PB98-0485. PI: Manuel
Maldonado.
· TITLE:
Reproduction, dispersal and recruitment of coral-associated sponges.
NURP-CMRC-00-26. PI: Craig M. Young/ Manuel Maldonado
NEWS AND VIEWS
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Newspaper EL País PDF
SCIENTIFIC PUBLICATIONS (click on available PDFs)
SPONGE BIOLOGY AND ECOLOGY
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Maldonado , M. & Riesgo, A (2009) Gametogenesis, embryogenesis,
and larval features of the oviparous
sponge Petrosia ficiformis (Haplosclerida,
Demospongiae). Marine
Biology
(In press).
·
Maldonado, M. (2009)
Embryonic development of verongid demosponges support independent acquisition
of spongin skeletons as alternative to the siliceous skeleton of sponges. Biological
Journal of the Linnean Society 97:
427-447.PDF
·
Riesgo,
A. & Maldonado, M. (2009)
An unexpectedly sophisticated, V-shaped spermatozoon in Demospongiae
(Porifera): Reproductive and evolutionary implications. Biological
Journal of the Linnean Society 97:
413-426.PDF
·
Gonobobleva, E.& Maldonado , M. (2009)
The ultrastructure of the
choanocyte of Halisarca dujardini (Demospongiae,
Halisarcida). Journal
of Morphology 270 (4):615- 627. PDF
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Riesgo,
A. & Maldonado, M. (2009)
Ultrastructure of oogenesis in two oviparous demosponges: Axinella damicornis and Raspaciona
aculeata. Tissue
& Cell 41 (1): 51-65. PDF
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Maldonado , M. & Riesgo, A (2008) Reproduction in Porifera: a synoptic overview. Treballs
de la Societat Catalana de Biologia
59: 29-49. PDF
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Maldonado, M., Giraud, K.,
Carmona, M.C. (2008) Effects of sediment on the survival of asexually-produced sponge
recruits. Marine
Biology 154: 631-641. PDF
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Riesgo, A. & Maldonado,
M. (2008) Differences in reproductive timing between sponges sharing habitat and
thermal regime. Invertebrate Biology 127 (4): 357-367. PDF
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Maldonado, M. & Riesgo, A. (2008) Reproductive output in a Mediterranean population of the
homosclerophorid Corticium candelabrum
(Porifera, Demospongiae), with notes on the ultrastructure and behavior of the
larva. Marine
Ecology 29: 298-316. PDF
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Riesgo,
A., Maldonado , M. & Durfort, M (2008) Occurrence
of somatic cells within the spermatic cysts of demosponges: A discussion of
their role. Tissue
& Cell 40 (5): 387-396. PDF
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de
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Mothes, B., Maldonado, M., Eckert, R., Lerner, C.,
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Maldonado, M. (2007) Vertical transmission of symbiotic
bacteria in oviparous and viviparous demosponges, with emphasis on
intracytoplasmically-compartmented bacterial types. Journal of the Marine
Biological Association of the United Kingdom, 87: 1701-1713. PDF
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Ehrlich, H., Maldonado,
M., Spindler K. D., Eckert, C.,
Hanke, T., Born, R., Göbel, C., Simon, P., Heinemann, S & Worch, H.
(2007) Evidence of chitin as a component
of the skeletal fibers of marine sponges.
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Maldonado , M. & Riesgo, A (2007) Intraepithelial
spicules in a homosclerophorid sponge. Cell
and Tissue Research, 328: 639-650. PDF
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Riesgo,
A., Maldonado , M. & Durfort, M (2007) . Dynamics of
gametogenesis, embryogenesis, and larval release in a Mediterranean
homosclerophorid demosponge.
Marine and Freshwater Research, 58: 398-417. PDF
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Rützler, K., Maldonado M.,Piantoni C. & Riesgo,
A. (2007) Iotrochota revisited: a new
sponge from
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Zibelberg,
C., Maldonado,
M. & Solé-Cava, A. (2006) Assessment
of the relative contribution of asexual propagation in a Bahamian population of
a coral-excavating sponge. Coral
Reefs, 25 (2): 297-301. PDF
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Maldonado M., (2006) The ecology of the sponge larva. Canadian Journal of
Zoology, 84 (2): 175-194. PDF
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Arroyo,
L, Maldonado,
M. & Walters,K. (2006) Within- and between-plant
distribution of harpacticoid copepods in a North-Atlantic bed of Laminaria
ochroleuca. Journal of Marine
Biological Association of the United Kingdom, 86: 319-316. PDF
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Maldonado, M., Cortadillas, N.,
Trillas M.A., Rützler K (2005) Endosymbiotic
yeast maternally transmitted in a marine sponge. Biological
Bulletin 209 (2): 94-106. PDF
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Maldonado, M., Carmona, M. C., Velásquez, Z., Puig,
M. A., Cruzado, A., López, A., Young, C.M. (2005) Siliceous
sponges as a Silicon sink: An overlooked aspect of benthopelagic coupling in
the marine Silicon cycle. Limnology and Oceanography 50 (3): 799-809. PDF
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Preciado, I. & Maldonado, M. (2005) Reassessing the
spatial relationships between sponges and macroalgae in sublittoral rocky
bottoms: a descriptive approach. Helgoland
Marine Research
59 : 121-135. PDF
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Maldonado, M. (2004) Choanoflagellates, choanocytes and animal
multicellularity. Invertebrate Biology, 123 (1): 1-22. PDF
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Maldonado, M., Durfort, M., McCarthy, D. & Young, C.M. (2003) The
cellular basis of photobehavior in tufted parenchymella larvae of demosponges. Marine
Biology, 143: 427-441. PDF
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Ehrlich, H., Maldonado,
M., Hanke, T., Meissber, H., Born, R., Scharnweber, D. & Worch, H.
(2003). Spongins: nanostructural investigations and development of biomimetic
material model. VDI Berichte 1803: 287-290. PDF
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Maldonado, M. (2002) Family Pachastrellidae Carter, 1875. In: Systema
Porifera: A guide to the classification of sponges. Hooper, J.N.A. & Van
Soest, R.W.M. (eds). pp.141-162. Kluwer Academic/Plenum
Publishers. London. PDF
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Hooper, J.N.A. & Maldonado,
M. (2002) Astrophorida Incertae Sedis. In: Systema Porifera: A guide
to the classification of sponges. Hooper, J.N.A. & Van Soest, R.W.M. (eds).
pp.165-167. Kluwer
Academic/Plenum Publishers.
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Maldonado, M. & Bergquist, P.R. (2002) Chapter II: Phylum Porifera.
In: Atlas of Marine Invertebrate Larvae. Young, CM. (ed.) pp. 21-50. Academic
Press,
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Maldonado, M., Carmona, MªC., Van Soest, R.W.M. & Pomponi, S.A. (2001)
First record of the sponge genera Crambe and Discorhabdella for
the eastern Pacific, with description of three new species. Journal of Natural
History, 35: 1261-1276. PDF
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Uriz, M. J. & Maldonado,
M. (2000) The genus Acanthodendrilla in the
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Maldonado, M. Carmona, Mª C, Uriz,
M. J., Cruzado A.(1999). Decline in Mesozoic reef-building sponges explained by
silicon limitation. Nature, 401: 785-788. PDF
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Maldonado, M. & Uriz, M. J. (1999) Sexual propagation by sponge
fragments. Nature, 398: 476. PDF
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Maldonado, M & Uriz, M. J. (1999) A new dendroceratid sponge with
reticulate skeleton. Memoirs
of the Queensland Museum, 44: 353-359 PDF
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Maldonado, M., Uriz, M. J. & Carmona, M. C. (1999) Esponjas.
Cooperación entre reproducción sexual y asexual potencial colonizador de las
esponjas. Cooperación entre reproducción asexual y sexual. Investigación y
Ciencia, abril, 2001: 44-45
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Maldonado, M. & Young, C. M. (1999) Effects of the duration of the
larval life on post-larval stages of the demosponge Sigmadocia caerulea.
Journal
of Experimental Marine Biology
and Ecology, 232(1):
9-21. PDF
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Maldonado, M. & Uriz, M. J. (1999) An experimental approach to the
ecological significance of microhabitat-scale movement in an encrusting sponge. Marine Ecology Progress Series,
185: 239-255. PDF
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Maldonado, M. &
Young, C. M. (1998) Limits on the bathymetric distribution of keratose sponges:
a field test in deep water. Marine
Ecology Progress Series, 174: 123-139. PDF
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Maldonado,
M. & Uriz, M. J. (1998) Microrefuge exploitation by subtidal encrusting
sponges: patterns of settlement and post-settlement survival. Marine Ecology Progress Series, 174: 141-150. PDF
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Maldonado,
M. (1998) Do chimeric sponges have improved chances of survival? Marine Ecology Progress Series,
164: 301-306. PDF
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Uriz,
M. J., Maldonado, M., Turon, X. & Martí, R. (1998) Ho do
reproductive output, larval behaviour and recruitment contribute to adult
spatial patterns in Mediterranean encrusting sponges? Marine Ecology Progress Series,
167: 137-148. PDF
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Maldonado,
M. & Young, C. M. (1998) A new demosponge associated with methane seeps
in the
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Maldonado,
M. & Young, C. M. (1998) Reevaluation of stalked aplysinid sponges,
with description of a new species from the upper Bahamian slope. Bulletin
of Marine Science, 62(3): 417-426 PDF
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Maldonado,
M., Georges, S., Young, C. M. & Vaquerizo,
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Maldonado, M.
& Young, C. M. (1996). Effects of physical factors on larval behavior,
settlement and recruitment of four tropical demosponges. Marine Ecology Progress Series, 138: 169-180. PDF
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Maldonado, M
& Young, C. M. (1996) Bathymetric patterns of sponge distribution on the
Bahamian slope. Deep-Sea
Research I, 43 (6): 897-915. PDF
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Maldonado,
M. & Uriz, M. J. (1996) Skeletal morphology of two controversial
poecilosclerid genera (Porifera Demospongiae): Discorhabdella and Crambe.
Helgoländer Meeresuntersuchungen, 50: 369-390 PDF
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Maldonado,
M. (1996) On the presence of anatriaenes in Pachastrellidae (Porifera,
Demospongiae): evidence for a new phylogenetic family concept. Journal of Natural
History, 30 (4): 389-405. PDF
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Maldonado, M. & Uriz, M. J.
(1996) A new species of Sphinctrella (Demospongiae, Astrophorida) and
remarks on the status of the genus in the Mediterranean. In: Recent Advances in
sponges biodiversity inventory and documentation. Ph. Willenz (ed). Bulletin de L’Institut Royal des Sciences
Naturelles de Belgique (Biologie 66 suppl.), pp. 153-163 PDF
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Uriz,
M. J. & Maldonado, M. (1996) The genus Igernella
(Demospongiae, Dendroceratida) with description of a new species from the
Central Atlantic. In: Recent Advances in sponges biodiversity inventory and
documentation. Ph. Willenz (ed). Bulletin
de L’Institut Royal des Sciences Naturelles de Belgique (Biologie 66
suppl.), pp. 175-184. PDF
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Maldonado,
M. & Uriz, M.J. (1995) Biotic affinities in a transitional zone between
the Mediterranean and the
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Uriz, M. J.
& Maldonado, M. (1995) A reconsideration of the relationship between
polyaxonid and monaxonid spicules in Demospongiae: new data from the genera Crambe
and Discorhabdella (Porifera). Biological
Journal of the Linnean Society, 55: 1-16. PDF
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Uriz, M. J.
& Maldonado, M. (1993) Redescription of some rare sponge species in
the
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Maldonado,
M. (1993) The taxonomic significance of the short-shafted mesotriaene
reviewed by parsimony analysis: validation of Pachastrella ovisternata
Von Lendenfeld (Demospongiae: Astrophorida). Bidragen tot de Dierkunden, 63 (3): 129-148. PDF
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Maldonado, M. (1993) Demosponjas
litorales de Alborán. Faunística y biogeografía. Ph. D. Thesis. Universidad de
Barcelona.
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Maldonado,
M. (1992) Demosponges from the red coral bottoms of the
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Uriz, M. J.,
Rosell, D. & Maldonado, M. (1992) Parasitism, commensalism or
mutualism? The case of Scyphozoa (Coronatae) and horny sponges. Marine Ecology Progress Series,
81: 247-255. PDF
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Maldonado,
M. & Uriz, M. J. (1992) Relationships between sponges and crabs:
patterns of epibiosis on Inachus aguiarii (Decapoda, Majidae). Marine
Biology, 113: 282-286. PDF
· Maldonado, M. & Benito, J. (1991) Crambe tuberosa n.sp. (Demospongiae, Poecilosclerida): a new Mediterranean poecilosclerid with lithistid affinities. Cahiers de Biologie Marine, 32: 323-332. PDF
PUBLICATIONS ON MARINE BIOLOGY AND ECOLOGY (MISCELLANEA)
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Maldonado, M., Carmona, M.C., Echeverría, Y.,
Riesgo, A. (2005) Environmental impact by
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Templado, J.,
Calvo, M., Luque, A.A., Garvía, A., Maldonado, M. & Moro, L. (2004)
Guía de los invertebrados y peces marinos españoles protegidos por la
legislación nacional e internacional. Organismo
Autónomo Parques Naturales, Ministerio de Medio Ambiente, Serie Técnica,
Madrid, 214 pp.
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Maldonado,
M. & Young, C. M. (2003) Induction of settlement in Merozooplankton.
In: Encyclopedia of life Support Systems. Vol. 27. Marine Ecology.
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Arroyo,
N.L., Maldonado, M., Pérez-Portela, R. & Benito, J. (2003)
Distribution patterns of meiofauna associated with a sublittoral Laminaria
bed in the Cantabrian Sea (North-eastern Atlantic). Marine Biology,
144: 231-242. PDF
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Arroyo, N.L., George,
K.H., Benito, J., & Maldonado, M., (2003) A new species of
Ancorabolidae (Copepoda, Harpacticoidea) from the northern coast of
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Maldonado,
M., Carmona, MªC., Echeverría, Y. (2003) Evaluación
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De Torres,
M., Delgado, O., Weitzmann, B., Martin, D., Maldonado, M., Ribera, G.,
Sant, N. & Ballesteros, E. (1996) Surveillance programme on the
introduction of Caulerpa taxifolia in the Catalan coast. Years 1992-1994. In:
Second International Workshop on Caulerpa taxifolia. Ribera, M.A., Ballesteros,
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Templado,
J., Guerra A., Bedoya, J.,