{"refrec":{"BRefID":331109,"RR":"<b>Cerrano, C.; Magnino, G.; Sarà, A.; Bavestrello, G.; Gaino, E.</b> (2001). Necrosis in a population of <i>Petrosia ficiformis</i> (Porifera, Demospongiae) in relation with environmental stress. <i>Ital. J. Zoolog. 68(2)</i>: 131-136. <a href=\"https://dx.doi.org/10.1080/11250000109356397\" target=\"_blank\">https://dx.doi.org/10.1080/11250000109356397</a>","BEntID":324720,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Ital. J. Zoolog. 68(2)</i>: 131-136. <a href=\"https://dx.doi.org/10.1080/11250000109356397\" target=\"_blank\">https://dx.doi.org/10.1080/11250000109356397</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Cerrano, C.; Magnino, G.; Sarà, A.; Bavestrello, G.; Gaino, E.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Cerrano, C. <i>et al.</i>","Englishabstract":"Healthy specimens of the Mediterranean <i>Petrosia ficiformis</i> har bour endocellular cyanobacteria <i>(Aphanocapsa feldmanni)</i> caus ing a violet pigmentation of the sponge. Necrosis in <i>P. ficiformis</i> can be easily detected by the occurrence of white patches scat tered over the surface. Necrotic specimens were examined along the Gallinara Island coasts (Western Ligurian Sea), in coincidence with environmental stress (heavy rainfall, land run‐off, high sea‐water temperature). The appearance of white patches is due to the gradual sloughing of the pinacodermal covering, as evidenced by scanning electron microscopic observations. Sloughing leads to progressive tissue degeneration in the deeper parts. Histologi‐cal sections showed that, concomitantly with the loss of the su perficial layer, internal sponge tissues degenerate and the sponge body becomes exposed to the invasion of ciliates. Spicule bun dles of the skeletal network separate damaged tissues from the healthy ones, thereby slowing down spread of necrosis and en abling successful recovery.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Necrosis in a population of <i>Petrosia ficiformis</i> (Porifera, Demospongiae) in relation with environmental stress","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-04-23 01:33:07.055354","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"White-patched sponges, Pinacoderm sloughing, Environmental stress","OtherDescriptors":null,"Notes":null,"AnaPub":2001,"MonPub":null,"DateUpdate":"2020-11-17","DateCreate":"2020-11-17","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000169978500008","VABBcode":null,"OpenAcc":1,"DOI":"10.1080/11250000109356397"},"refs":null,"anarec":{"AnaID":331109,"PubliDate":2001,"Pagination":"131-136","XtraPublOfAnaID":null,"ISBN":null,"Volume":"68","Issue":"2","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":45590,"SerRR":"Italian Journal of Zoology. Taylor & Francis/Mucchi Editore: Modena.  ISSN 1125-0003; e-ISSN 1748-5851","StandardTitleSer":"Italian Journal of Zoology","ISSN":"1125-0003","AbbrevSer":"Ital. J. 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