Tardigrades biology

Nelson*, D.R., Adkins Fletcher, R., Guidetti, R., Roszkowska, M., Grobys, D., Kaczmarek, Ł. 2020. Two new species of Tardigrada from moss cushions (Grimmia sp.) in a xerothermic habitat in northeast Tennessee (USA, North America), with the first identification of males in the genus Viridiscus. PeerJ 8: e10251 (https://doi.org/10.7717/peerj.10251)

Garlasché, G., Karimullah, K., Iakovenko, N., Velasco-Castrillón, A., Janko, K., Guidetti, R., Rebecchi, L., Cecchetto, M., Schiaparelli, S., Jersabek, C. D., De Smet, W. H., Fontaneto, D. 2020. A data set on the distribution of Rotifera in Antarctica. Biogeographia – The Journal of Integrative Biogeography, 35, 17-25. (https://doi.org/10.21426/B635044786)

Guidetti, R., M. Vecchi, A. Ferrari, I.L.G. Newton, M. Cesari*, L. Rebecchi. (2020). Further insights in the Tardigrada microbiome: phylogenetic position and prevalence of infection of four new Alphaproteobacteria putative endosymbionts. Zoological Journal of the Linnean Society, 188(3), 925-937. (https://doi.org/10.1093/zoolinnean/zlz128)

Guidetti, R., Gneuß, E., Cesari, M., Altiero, T.*, & Schill, R. O. (2020). Life-history traits and description of the new gonochoric amphimictic Mesobiotus joenssoni (Eutardigrada: Macrobiotidae) from the island of Elba, Italy. Zoological Journal of the Linnean Society, 188(3), 848-859. (https://doi.org/10.1093/zoolinnean/zlz077)

Cesari, M., Montanari, M., Kristensen, R. M., Bertolani, R., Guidetti, R.*, & Rebecchi, L. (2020). An integrated study of the biodiversity within the Pseudechiniscus suillusfacettalis group (Heterotardigrada: Echiniscidae). Zoological Journal of the Linnean Society, 188(3) 717-732. (https://doi.org/10.1093/zoolinnean/zlz045)

Guidetti, R., Cesari, M., Bertolani, R., Altiero, T., & Rebecchi, L*. (2019). High diversity in species, reproductive modes and distribution within the Paramacrobiotus richtersi complex (Eutardigrada, Macrobiotidae). Zoological letters, 5(1), 1.

Guidetti, R., Massa, E., Bertolani, R., Rebecchi, L.*, & Cesari, M. (2019). Increasing knowledge of Antarctic biodiversity: new endemic taxa of tardigrades (Eutardigrada; Ramazzottiidae) and their evolutionary relationships. Systematics and Biodiversity, 17(6):573-593. (https://doi.org/10.1080/14772000.2019.1649737)

Grisi M., E. Montinaro, F. Vincent, L. Pethö, M.C. Letizia, B. Volpe, N. Harris, A. Beck, R. Guidetti, M. Gijs, J. Michler, J. Brugger, G. Boero* (2019). CMOS and 3D Printing for NMR Spectroscopy at the Single Embryo Scale. Chimia, 73, 635 (https://doi.org/10.2533/chimia.2019.635)

Guidetti, R., Cesari*, M., Bertolani, R., Altiero, T. & Rebecchi, L. (2019). High diversity in species, reproductive modes and distribution within the Paramacrobiotus richtersi complex (Eutardigrada, Macrobiotidae). Zoological Letters, 5:1.

Fleming*, J. F., Kristensen, R. M., Sørensen, M. V., Park, T. Y. S., Arakawa, K., Blaxter, M., Rebecchi, L., Guidetti, R., Williams, T.A., Roberts, N.W. & Vinther, J. (2018). Molecular palaeontology illuminates the evolution of ecdysozoan vision. Proceedings of the Royal Society B, 285(1892): 20182180.

Vecchi*, M., Newton, I. L., Cesari, M., Rebecchi, L., & Guidetti, R. (2018). The Microbial Community of Tardigrades: Environmental Influence and Species Specificity of Microbiome Structure and Composition. Microbial ecology, 1-15.

Montinaro, E., Grisi, M., Letizia, M. C., Pethö, L., Gijs, M. A. M., Guidetti, R., Michler, J., Brugger, J, & Boero, G. (2018). 3D printed microchannels for sub-nL NMR spectroscopy. PloS one, 13(5), e0192780.

Giovannini, I., Altiero, T., Guidetti, R., & Rebecchi*, L. (2017). Will the Antarctic tardigrade Acutuncus antarcticus be able to withstand environmental stresses due to global climate change? Journal of Experimental Biology, 221, 1-11, jeb-160622. (DOI: 10.1242/jeb.160622)

Guidetti* R., McInnes S.J., Cesari M., Rebecchi L., Rota-Stabelli O. (2017). Evolutionary scenarios for the origin of an Antarctic tardigrade species based on molecularclock analyses and biogeographic data. Contributions to Zoology, 86 (2), 97-110.

Grisi* M., B. Volpe, R. Guidetti, N. Harris, G. Boero. 2017. Nuclear magnetic resonance spectroscopy of single subnanoliter ova. Scientific Reports, 7, 44670 (DOI: 10.1038/srep44670)

Smith, F. W., Boothby, T. C., Giovannini, I., Rebecchi, L., Jockusch, E. L., & Goldstein, B. (2016). The compact body plan of tardigrades evolved by the loss of a large body region. Current Biology26(2), 224-229.

Cesari* M., Vecchi M., Palmer A., Bertolani R., Pilato G., Rebecchi L., Guidetti R. 2016. What if the claws are reduced? Morphological and molecular phylogenetic relationships of the genus Haplomacrobiotus May, 1948 (Eutardigrada, Parachela). Zoological Journal of the Linnean Society, 178(4), 819-827. (DOI: 10.1111/zoj.12424)

Cesari M., McInnes S.J., Bertolani R., Rebecchi* L., Guidetti R. 2016. Genetic diversity and biogeography of the south polar water bear Acutuncus antarcticus (Eutardigrada: Hypsibiidae)–evidence that it is a truly pan-Antarctic species. Invertebrate Systematics, 30(6), 635-649. (dx.doi.org/10.1071/IS15045)

Vecchi* M., Vicente F., Guidetti R., Bertolani R., Rebecchi L., Cesari, M. 2016. Interspecific relationships of tardigrades with bacteria, fungi and protozoans, with a focus on the phylogenetic position of Pyxidium tardigradum (Ciliophora). Zoological Journal of the Linnean Society, 178(4), 846-855. (DOI: 10.1111/zoj.12446)

Guidetti*, R., Rebecchi, L., Bertolani, R., Jönsson, K. I., Møbjerg Kristensen, R. and Cesari, M. 2016. Morphological and molecular analyses on Richtersius (Eutardigrada) diversity reveal its new systematic position and lead to the establishment of a new genus and a new family within Macrobiotoidea. Zoological Journal of the Linnean Society, 178: 834–845. (DOI:10.1111/zoj.12428)

Hansen* J. G., R. M. Kristensen, R. Bertolani, R. Guidetti. 2016. Comparative analyses of Bertolanius species (Eohypsibiidae; Eutardigrada) with the description of Bertolanius birnae sp. nov. from north polar areas. Polar Biology, 1-18 (DOI 10.1007/s00300-016-1931-0).

Vecchi M., M. Cesari*, R. Bertolani, I. Jönsson, L. Rebecchi, R.Guidetti. 2016. Integrative systematic studies on tardigrades from Antarctica identify new genera and new species within Macrobiotoidea and Echiniscoidea. Invertebrate Systematics, 30: 303.322. (DOI 10.1071/IS15033).

Savic* A.G., S. Preus, L. Rebecchi, R. Guidetti. 2016. New multivariate image analysis method for detection of differences in chemical and structural composition of chitin structures in tardigrade feeding apparatuses. Zoomorphology, 135: 43-50. (DOI 10.1007/s00435-015-0295-2)

Altiero* T., I. Giovannini, R. Guidetti, L. Rebecchi. 2015. Life history traits and reproductive mode of the tardigrade Acutuncus antarcticus under laboratory conditions: strategies to colonize the Antarctic environment. Hydrobiologia, 761: 277-291 (DOI 10.1007/s10750-015-2315-0)

Guidetti R., K.I. Jönsson*, R.M. Kristensen. 2015. Tardigrades of Sweden, an updated check-list. Zootaxa. 3981 (4): 491–507.

Savic* A.G., R. Guidetti, A. Turi, A. Pavicevic, I. Giovannini, L. Rebecchi, M. Mojovic. 2015. Superoxide Anion Radical Production in the Tardigrade Paramacrobiotus richtersi, the First Electron Paramagnetic Resonance Spin-Trapping Study. Physiological and Biochemical Zoology, 88(4), 451-454. (DOI: 10.1086/681031)

Guidetti* R., A. Bonifacio, T. Altiero, R. Bertolani, L. Rebecchi. 2015. Distribution of calcium and chitin in the tardigrade feeding apparatus in relation to its function and morphology. Integrative and Comparative Biology, 55(2): 241-252 (DOI:10.1093/icb/icv008).

Rizzo* A. M., T. Altiero, P.A. Corsetto, G. Montorfano, R. Guidetti, L. Rebecchi. 2015. Space Flight Effects on Antioxidant Molecules in Dry Tardigrades: The TARDIKISS Experiment. BioMed Research International. (DOI: 10.1155/2015/167642)

Guidetti R.*, S.J. McInnes, L. Rebecchi, M. Cesari. 2014. Mopsechiniscus franciscae, a new species of a rare genus of Tardigrada from continental Antarctica. Polar Biology, 37: 1221–1233.

Bertolani R., R. Guidetti*, T. Marchioro, T. Altiero, L. Rebecchi, M. Cesari. 2014. Phylogeny of Eutardigrada: new molecular data and their morphological support leading to a new systematics of Eutardigrada. Molecular Phylogenetics and Evolution, 76: 110-126.

Bertolani R.*, P.J. Bartels, R. Guidetti, M. Cesari, D. R. Nelson. 2014. Aquatic tardigrades in the Great Smoky Mountains National Park, North Carolina and Tennessee, U.S.A., with the description of a new species of Thulinius (Tardigrada, Isohypsibiidae). Zootaxa 3764 (5): 524–536.

Marchioro T, L. Rebecchi, M. Cesari, J. G. Hansen, G. Viotti, R. Guidetti*. 2013. Somatic musculature of Tardigrada: phylogenetic signal and metameric patterns. Zoological Journal of the Linnean Society 169: 580-603.

Guil N.*, A. Machordom, R. Guidetti. 2013. High level of phenotypic homoplasy amongst eutardigrades (Tardigrada) based on morphological and total evidence phylogenetic analyses. Zoological Journal of the Linnean Society 169: 1-26.

Guidetti R.*, R. Bertolani, L. Rebecchi. 2013. Comparative analysis of the tardigrade feeding apparatus: adaptive convergence and evolutionary pattern of the piercing stylet system. Journal of Limnology, 72: 24-35.

Cesari M.*, R. Guidetti, L. Rebecchi, I. Giovannini, R. Bertolani. 2013. A DNA barcoding approach in the study of tardigrades. Journal of Limnology, 72: 182-198.

Guidetti R.*, J. R. Peluffo, A. M. Rocha, M. Cesari, M. C. Moly de Peluffo. 2013. The morphological and molecular analyses of a new South American urban tardigrade offer new insights on the biological meaning of the Macrobiotus hufelandi group of species (Tardigrada: Macrobiotidae). Journal of Natural History, 47: 2409-2426.

Vicente F.*, P. Fontoura, M. Cesari, L. Rebecchi, R. Guidetti, A. Serrano, R. Bertolani. 2013. Integrative taxonomy allows the identification of synonymous species and the erection of a new genus of Echiniscidae (Tardigrada, Heterotardigrada). Zootaxa, 3613 (6): 557–572.

Bonifacio A.*, R. Guidetti, T. Altiero, V. Sergo, L. Rebecchi. 2012. Nature, Source and Function of Pigments in Tardigrades: In Vivo Raman Imaging of Carotenoids in Echiniscus blumi. Plos One 7(11), e50162.

Guidetti R.*, T. Altiero, T. Marchioro, L. Sarzi Amadè, A. M. Avdonina, R. Bertolani, L. Rebecchi. 2012. Form and function of the feeding apparatus in Eutardigrada (Tardigrada). Zoomorphology. 131:127–148.

Vukich M*., P. L. Ganga. D. Cavalieri et al. 2012. BIOKIS: A Model Payload for Multidisciplinary Experiments in Microgravity. Microgravity Science and Technology, DOI 10.1007/s12217-012-9309-6.

Guidetti R.*, A.M. Rizzo, T. Altiero, & L. Rebecchi. 2012. What can we learn from the toughest animals of the Earth? Waterbears (tardigrades) as multicellular model organisms in order to perform scientific preparations for lunar exploration. Planetary and Space Science, 74: 97-102.

Altiero, T.* R. Guidetti, D. Boschini, L. Rebecchi. 2012 Heat shock protein in encysted and anhydrobiotic eutardigrades. Journal of Limnology 71: 211-215.

Guidetti R.*, T. Altiero, L. Rebecchi. 2011. On dormancy strategies in tardigrades. Journal of Insect Physiology 57: 567–576.

Guidetti R.*, T. Altiero, R. Bertolani, P. Grazioso, L. Rebecchi. 2011. Survival of freezing by hydrated tardigrades inhabiting terrestrial and freshwater habitats. Zoology, 114: 123–128.

Rebecchi L.*, T. Altiero, M. Cesari, R. Bertolani, A.M. Rizzo, P. Corsetto, R Guidetti. 2011. Resistance of the anhydrobiotic eutardigrade Paramacrobiotus richtersi to space flight (LIFE–TARSE mission on FOTON-M3). Journal of Zoological Systematics and Evolutionary Research, 49: 98-103.

Altiero T.*, R. Guidetti, V. Caselli, M. Cesari, L. Rebecchi. 2011. Ultraviolet-B radiation tolerance in hydrated and desiccated eutardigrades. Journal of Zoological Systematics and Evolutionary Research, 49: 104-110.

Rizzo A.M.*, M. Negroni, T. Altiero, G. Montorfano, P. Corsetto, P. Berselli, B. Berra, R. Guidetti, L. Rebecchi. 2010. Antioxidant defences in hydrated and desiccated states of the tardigrade Paramacrobiotus richtersi. Comparative Biochemistry and Physiology, Part B 156: 115–121.

Rebecchi L.*, T. Altiero, R. Guidetti, M. Cesari, R. Bertolani, M. Negroni, A.M. Rizzo. 2009. Tardigrade Resistance to Space Effects: First Results of Experiments on the LIFE-TARSE Mission on FOTON-M3 (September 2007). Astrobiology, 9: 851-591.

Rebecchi L.*, M. Cesari, T. Altiero, A. Frigieri, R. Guidetti. 2009. Survival and DNA degradation in anhydrobiotic tardigrades. Journal of Experimental Biology. 212: 4033-4039.

Guidetti R., R.O. Schill*, R. Bertolani, T. Dandekar, M. Wolf. 2009. New molecular data for tardigrade phylogeny, with the erection of Paramacrobiotus gen. n. Journal of Zoological Systematics and Evolutionary Research. 47(4): 315-321.

Cesari M.*, R. Bertolani, L. Rebecchi, R. Guidetti. 2009. DNA barcoding in Tardigrada: the first case study on Macrobiotus macrocalix Bertolani & Rebecchi 1993 (Eutardigrada, Macrobiotidae). Molecular Ecology Resources 9, 699–706.

Rebecchi L*., D. Boschini, M. Cesari, V. Lencioni, R. Bertolani, R. Guidetti. 2009. Stress response of a boreo-alpine species of tardigrade, Borealibius zetlandicus (Eutardigrada, Hypsibiidae). Journal of Limnology, 68: 64-70.

Guidetti R.* , D. Boschini, T. Altiero, R. Bertolani, L. Rebecchi. 2008. Diapause in tardigrades: a study of factors involved in encystment. Journal of Experimental Biology, 211: 2296-2302.

Rebecchi L*, T. Altiero, R. Guidetti. 2007 Anhydrobiosis: the extreme limit of desiccation tolerance. ISJ- Invertebrate Survival Journal, 4: 65-81.

Guil N*., R. Guidetti, A. Machordom. 2007. Observations on the "tenuis group" (Eutardigrada, Macrobiotidae) and description of a new Macrobiotus species. Journal of Natural History, 41(41-44): 2741-2755.

Degma P.*, R. Guidetti. 2007. Notes to the current checklist of Tardigrada. Zootaxa, 1579: 41-53.Guidetti R.*, C. Colavita, T. Altiero, R. Bertolani, L. Rebecchi. 2007. Energy allocation in two species of Eutardigrada. Journal of Limnology, 66: 111-118.

Guidetti R.*, R. Bertolani, P. Degma. 2007. New taxonomic position of several Macrobiotus species (Eutardigrada: Macrobiotidae). Zootaxa 1471: 61-68.

Kaczmarek L.*, L. Michalczyk, R. Guidetti. 2006. Description of the new species Calcarobiotus (C.) longinoi sp. nov., (Eutardigrada, Macrobiotidae) from Costa Rica with the diagnostic key to the genus Calcarobiotus. Italian Journal of Zoology, 73(3): 247-253.

Guidetti R.*, T. Altiero, J.G. Hansen. 2006. A new species of freshwater tardigrades from Disko Island (Greenland) increases an unsolved paradox in tardigrade systematics. Hydrobiologia, 558: 69-79.

Rebecchi L.*, R. Guidetti, S. Borsari, T. Altiero, R. Bertolani. 2006. Dynamics of long-term anhydrobiotic survival of lichen-dwelling tardigrades. Hydrobiologia, 558: 23-30.

Pilato G.*, R. Guidetti, L. Rebecchi, O. Lisi, J.G. Hansen, R. Bertolani. 2006. Geonemy, ecology, reproductive biology and morphology of the tardigrade Hypsibius zetlandicus (Eutardigrada: Hypsibiidae) with erection of Borealibius gen. n.. Polar Biology, 29: 595-603.

Guidetti R.*, D. Boschini, L. Rebecchi, R. Bertolani. 2006. Encystment processes and “Matrioshka-like stage” cyst in a moss-dwelling and in a limnic species of eutardigrades (Tardigrada). Hydrobiologia, 558: 9-21.

Guidetti R.*, A. Gandolfi, V. Rossi, R. Bertolani. 2005. Phylogenetic analysis in Macrobiotidae (Eutardigrada, Parachela): a combined morphological and molecular approach. Zoologica Scripta, 34: 235-244.

Guil N.*, R. Guidetti. 2005. A new species of Tardigrada (Eutardigrada: Macrobiotidae) from Iberian Peninsula and Canary Islands (Spain). Zootaxa 889: 1-11.

Guidetti R.*, R. Bertolani. 2005. Tardigrade taxonomy: an updated check list of the taxa and a list of characters used in their identification. Zootaxa 845: 1-46.

Bertolani R.*, R. Guidetti, K.I. Jönsson, T. Altiero, D. Boschini, L. Rebecchi. 2004. Experiences on dormancy in tardigrades. Journal of Limnology, 63: 16-25.

Guidetti R.*, G. Pilato. 2003. Revision of the genus Pseudodiphascon (Tardigrada, Macrobiotidae), with the erection of three new genera. Journal of Natural History, 37: 1679-1690.

Guidetti R.*, K.I. Jönsson. 2002. Long-term anhydrobiotic survival in semi-terrestrial micrometazoans. Journal of Zoology, 257: 181-187

Guidetti R.*, R. Bertolani. 2001. The tardigrades of Emilia (Italy). III. Piane di Mocogno (Northern Apennines). Zoologischer Anzeiger, 240: 377-383.

Jönsson K.I.*, R. Guidetti. 2001. Effects of methyl bromide fumigation on anhydrobiotic micrometazoans. Ecotoxicology and Environmental Safety, 50: 72-75.

Guidetti R.*, R. Bertolani. 2001. Phylogenetic relationships in the Macrobiotidae (Tardigrada: Eutardigrada: Parachela). Zoologischer Anzeiger, 240:371-376.

Guidetti R.*, R. Bertolani. 2001. An evolutionary line of the Macrobiotinae (Tardigrada, Macrobiotidae): Calcarobiotus and related species. Italian Journal of Zoology, 68: 229-233.

Guidetti R.*, L. Rebecchi, R. Bertolani. 2000. Cuticle structure in the systematics of Macrobiotidae (Tardigrada, Eutardigrada). Acta Zoologica, 81: 27-36.

Guidetti R.*, R. Bertolani, D.R. Nelson. 1999. Ecological and Faunistic Studies on Tardigrades in Leaf Litter of Beech Forests. Zoologischer Anzeiger, 238: 215-223.

Guidetti R.* 1998. Two new species of Macrobiotidae (Tardigrada, Eutardigrada) from the United States of America, and some taxonomic considerations of the genus Murrayon. Proceedings of the Biological Society of Washington, 111: 663-673.