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Botanica Marina 55 (2012): 317–347 © 2012 by Walter de Gruyter • Berlin • Boston. DOI 10.1515/bot-2012-0147 Polysiphonia sensu lato (Ceramiales, Florideophyceae) species of Caribbean Panama including Polysiphonia lobophoralis sp. nov. and Polysiphonia nuda sp. nov . Nadya R. Mamoozadeha and D. Wilson Freshwater * Center for Marine Science , University of North Carolina Wilmington, 5600 Marvin Moss Lane, Wilmington, NC 28409 , USA , e-mail: * Corresponding author Abstract Only two species of Polysiphonia sensu lato

Botanica Marina 55 (2012): 441–443 © 2012 by Walter de Gruyter • Berlin • Boston. DOI 10.1515/bot-2011-0077 Short communication First record of fertile gametophytes of Polysiphonia perforans (Ceramiales, Rhodophyta) Giuseppina Alongi * and Marcello Catra Department of Biological , Geological and Environmental Sciences, University of Catania, Via A. Longo 19, 95125 Catania , Italy , e-mail: * Corresponding author Abstract We report fertile gametophytes of Polysiphonia perforans for the fi rst time in collections from the

Antiherpes Virus Effect of the Red Marine Alga Polysiphonia denudata Julia Serkedjieva Institute of Microbiology, Bulgarian Academy of Sciences, Acad. Georgy Bonchev str., bl. 26, 1113 Sofia. Bulgaria. Fax: (3592) 700109. E-mail: Z. Naturforsch. 55c, 830-835 (2000); received May 2/June 27, 2000 Polysiphonia denudata, Herpes Virus. Inhibition The water extract from the red marine alga Polysiphonia denudata (Dillwyn) Kiitz. from the Bulgarian Black Sea coast selectively inhibited the reproduction of herpes virus type 1 and type 2 in cell cultures

Introduction The genus Polysiphonia was established by Greville (1823), and later Silva (1952) designated Polysiphonia urceolata (Lightf. ex Dillwyn) Grev. as the type species. Maggs and Hommersand (1993) placed P. urceolata in synonymy with Polysiphonia stricta (Dillwyn) Grev. The genus Polysiphonia , based on P. stricta , is characterized by having four ecorticated pericentral cells, rhizoids in open connection with pericentral cells, four-celled carpogonial branches, spermatangial branches replacing the whole trichoblast, and tetrasporangia in

Botanica Marina 53 (2010): 301–311 2010 by Walter de Gruyter • Berlin • New York. DOI 10.1515/BOT.2010.036 2010/001 Article in press - uncorrected proof Two new species of Polysiphonia (Ceramiales, Florideophyceae) from the western Atlantic Brooke Stuercke and D. Wilson Freshwater* Center for Marine Science, UNCW, 5600 Marvin Moss Lane, Wilmington, NC 28409, USA, e-mail: * Corresponding author Abstract Integrated morphological and molecular analyses of Polysi- phonia species revealed that two western Atlantic species identified as P

Botanica Marina 54 (2011): 269–292 2011 by Walter de Gruyter • Berlin • Boston. DOI 10.1515/BOT.2011.036 2010/101 Article in press - uncorrected proof Taxonomic notes on Caribbean Neosiphonia and Polysiphonia (Ceramiales, Florideophyceae): five species from Florida, USA and Mexico Nadya R. Mamoozadeh and D. Wilson Freshwater* Center for Marine Science, UNCW, 5600 Marvin Moss Lane, Wilmington, NC 28409, USA, e-mail: * Corresponding author Abstract Molecular-assisted identification using plastid-encoded rbcL and mitochondrion-encoded COI loci

DOI 10.1515/bot-2012-0183      Botanica Marina 2013; 56(1): 41–47 Roberta D ’ Archino * , Kate F. Neill and Wendy A. Nelson Recognition and distribution of Polysiphonia morrowii (Rhodomelaceae, Rhodophyta) in New Zealand Abstract: Polysiphonia morrowii , a species native to the North Pacific, is believed to have been introduced to Chile, Turkey, Italy and France. This species was first recorded from New Zealand in 2011, based on collections made in 2004 from two sites on South Island, but no commen- tary was provided in the distribution or

the main groups of invasive algae (Williams and Smith 2007). Examples of cryptic introductions within this group are those of the genus Polysiphonia Grev. (McIvor et al. 2001, Streftaris et al. 2005). This genus, which comprises over 200 species, is phylogenetically diverse and is widely distributed throughout the world (Guiry and Guiry 2013). Polysiphonia morrowii Harvey is native to the Northwest Pacific Ocean (e.g., Segi 1951, Kim et al. 1994) and, over the past decade, it has been introduced into the Mediterranean Sea, New Zealand, the Southwest Pacific

DOI 10.1515/bot-2012-0205      Botanica Marina 2013; 56(2): 151–160 Pilar D í az-Tapia * , Ignacio B á rbara , Est í baliz Berecibar Vegetative and reproductive morphology of Polysiphonia tripinnata (Rhodomelaceae, Rhodophyta): a new record from the European Atlantic coast Abstract: Polysiphonia tripinnata , a member of the Rho- domelaceae originally described from the Mediterranean Sea, is newly recorded off the European Atlantic coast. It was collected mostly from sand-covered rocks between the low intertidal zone and the upper subtidal zone

Chemical Composition and Biological Activities of the Black Sea Algae Polysiphonia denudata (Dillw.) Kutz. and Polysiphonia denudata f fragilis (Sperk) Woronich Salvatore De Rosaa *, Zornitsa Kamenarskab, Vassya Bankovab, Kamen Stefanovb, Stefka Dimitrova-Konaklievac, Hristo Najdenskid, Iva Tzevtkovad and Simeon Popovb a Istituto di Chimica Biomolecolare, CNR, Via Campi Flegrei, 34, 80078 Pozzuoli, Napoli, Italy. E-mail: b Institute of Organic Chemistry with Centre of Phytochemistry, Bulgarian Academy of Sciences, Sofia 1113