Asexual reproduction takes place by means of quadriflagellate zoospores. Gutweed identification, edibility, distribution february 8, 2016. Also known as enteromorpha intestinalis description. Ulva was one of the first seaweed genera to be named and was recognised originally by linnaeus in 1753 as a single genus. Ulva intestinalis also known as gutweed or sea grass. Laboratory algae cultivation and bmp tests with ulva intestinalis from the gulf of riga.
Our phylogenetic reconstructions using neighborjoining method revealed. Bacteriainduced morphogenesis of ulva intestinalis and. Ulva intestinalis and ulva compressa are two bloomforming. The morphology, thallus length, biomass and reproductive pattern of green seaweed enteromorpha intestinalis l. Studies of sites with extensive blooms of ulva intestinalis, u. In this study, extracts of two marine cholophycean algae ulva rigida and ulva intestinalis, harvested from arzew gulf western algeria were investigated for their antimicrobial activity against human pathogenic bacteria including antibioticresistant organisms and yeast were tested by using the paper disc agar diffusion method. In addition, a powder of ulva lactuca is authorized as a natural heath product in canada and the united states. See reading the reports for information on how to read this report. Hap2gcs1 is a potential gamete membrane fusion component. Production of bioactive compounds from the sulfated. Preliminary investigation into the induction of reproduction. An experiment was conducted to evaluate the effects of replacing soybean meal with the protein concentrate of ulva intestinalis upc in the diet of juvenile nile tilapia, oreochromis niloticus. Ulva enteromorpha intestinalis linnaeus is a green alga, known also as gut weed and grass kelp, in the division.
W, is a polyhaline intertidal system with around 1600 ha and 21 km long, influenced by a warm temperate climate. Although several lines of evidence suggest that these generic constructs are artificial, ulva and enteromorpha have been maintained as separate genera. Sands in the lower pourakino arm supported a thick growth of benthic microalgae see photo at bottom of page 3. Freshwater inputs from rivers alter salinity of estuaries, and are also important conduits for the delivery of nutrients such as nitrogen and phosphorus. Ness, is a macro green alga species, frequently found in the coastal zone of seas and oceans. As a cosmopolitan species, it is settling a majority of habitats connected with salty and slightly salty waters lee 1999, kirchhoff and pflugmacher 2002, ro.
Improvements in closedsystem culturing methods for marine invertebrates are important prerequisites for the generalized use of transgenic lines. Species plantarum, exhibentes plantas rite cognitas ad genera relatas cum differentiis specificis, nominibus trivialibus, synonymis selectis, locis natalibus, secundum systema sexuale digestas. Agardh, ulva linza linnaeus, ulva flexuosa wulfen and ulva intestinalis linnaeus grown at different parts of northern coasts of the persian gulf in south of iran. This chlorophyte found throughout the indowest pacific region is more commonly known throughout the world as ribbon sea lettuce and more. The electronic version of this article in portable document format pdf in a work. The species was subsequently separated into two genera, namely ulva and enteromorpha by silva 1952, on the basis of the two significantly different morphologies. The membrane is two cells thick, soft and translucent and grows attached without a stipe to rocks by a small discshaped holdfast.
Until they were reclassified by genetic work completed in the early 2000s, the tubular members of the sea lettuce genus ulva were placed in the genus enteromorpha. Enteromorpha were recorded in freshwater ecosystems of poland already from 1849 ulva intestinalis l. Pdf seaweed, enteromorpha intestinalis, as a diet for nile. This next found site of this ulva species is the 35th site on the inland area of po. The combination of morphological and molecular analyses, the latter involving both nuclear internal transcribed spacer its and plastid rbcl markers, is critically important in taxonomic studies of the genus and has here been applied to selected ulva populations from mostly cool. Why is ulva intestinalis the only macroalga inhabiting isolated rock pools along the swedish atlantic coast. Its2, japan, molecular phylogeny, morphology, rbcl, ulva, ulva meridionalis.
Estuaries are highly productive ecosystems, supporting rich biodiversity adapted to very fluctuating and dynamic environment, subjected to, notably, great variations in salinity and water flow regimes, depending on the. Its estuary, located at the ne atlantic coast of portugal 4008. The proposed process combining enzymatic hydrolysis and. Ulva are thin flat green algae growing from a discoid holdfast that may reach 18 cm or more in length, though generally much less, and up to 30 cm across. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Ulva reticulata is the main species observed in lutoban bay and ulva intestinalis to a lesser extent. The study sought to determine whether saltwater species of the genus ulva, e. Ulva intestinalis this alga tolerates low salinity and is found in the upper intertidal zone in pools and areas of runoff. I have attached 2 pics showing both sides of the screen taken 5 days after setting up the atlantis 2 and seeded the screen with the ulva intestinalis.
Ulva lactuca sea lettuce was present throughout the lower estuary, but at low densities. Ulva lactuca, a source of troubles and potential riches mdpi. Observe and draw the thallus morphology of ulva intestinalis with the naked eye and under the dissecting scope. In another study, the use of ulva enteromorpha intestinalis as a fm replacer in nile tilapia o. From the 19th century on the area of our country 90 sites of 9 taxa of ulva were found. The genera ulva and enteromorpha were merged by hayden et al.
Forsmark nuclear power plant bothnian sea acta phytogeographica suecica 78. Ulva usually multiply bymeans of fragments which are accidentally produced from a thallus. Ulva intestinalis is a green alga in the family ulvaceae, known by the common names sea lettuce, gutweed and grass kelp. Ulva lactuca is a macroalgae and belongs to the phylum chlorophyta. The bright to pale green tubular thallus reaches 20 cm 8 in or more tall and up to 5 mm 0. Four experimental diets were formulated to replace 0. After all, the more you know about your condition, the easier it will be for you understand and follow your physicians advice. Original article effects of culture conditions on the growth and reproduction of gut weed, ulva intestinalis linnaeus ulvales, chlorophyta rapeeporn ruangchuay 1, sofhanee dahamat, anong chirapat2, and masahiro notoya3 1 department of technology and industry, faculty of science and technology, prince of songkla university, pattani campus, meaung, pattani, 94000 thailand. Bacteriainduced morphogenesis of ulva intestinalis and ulva. Make a thin cross section of ulva intestinalis and draw the internal details. Echt darmwier in dutch tarmalg in swedish bibliographic references.
Structural and enzymatic analysis of the cytochrome b5. Start studying ch 14 gastrointestinal combining forms. To address the question of how ulva speciesspecific the morphogenetic activities of bacteria are, axenic cultures of u. With todays interest in novel renewable chemicals and polymers, the underexploited marine green algae belonging to species of ulva and entermorpha stimulated interest as sources of polysaccharides with innovative structure and functional properties. Ch 14 gastrointestinal combining forms flashcards quizlet.
Study 24 mastering bio hw 4 flashcards from bethany w. After the enteromorpha genus was merged with ulva by hayden et al. The majority of the infected fish carried one parasite, with 3. Pdf in vitro cultivation of gut weed, ulva intestinalis linnaeus, was experimentally studied to support its near optimal farming, with potential. Strong endemism of bloomforming tubular ulva in indian west. The two green algae were collected on the atlantic shore at two different locations, one of them being polluted by wastewater originating from the phosphate industry. Gutweed identification, edibility, distribution galloway. Gametes and zoospores are released shortly after dawn. Intertidal survey i 9v9818 final report january 2012. Vs biotope occurs above the wracks ascophyllum nodosum asc. Thalli of ulva at the new site were observed from the end of april until the end of may of 2011. Vegetative multiplication also takes place by means of the proliferation of perennial holdfast. Sps extracted from ulva intestinalis and fractionated onto a silicasilica column.
We analyzed whole genome sequences of two strains with opposite mating types mt. Media in category ulva intestinalis the following 81 files are in this category, out of 81 total. Antioxidant activity, total phenolics and flavonoid. Decontamination treatments to eliminate problem biota from. Ulva and enteromorpha are not distinct genera article pdf available in european journal of phycology 383. Laboratory algae cultivation and bmp tests with ulva. Extracts of cystoseira crinita and ulva intestinalis collected from the coastal region of sinop had antifungal efficacy against candida krusei 19. Ulva species ulva intestinalis name synonyms conferva intestinalis l. Cell wall thickening in two ulva species in response to. The water lettuce ulva lactuca is green to dark green. Ulva, one of the first linnaean genera, was later circumscribed to consist of green seaweeds with distromatic blades, and enteromorpha link was established for tubular forms. The following information covers some of the questions patients have about the most frequently occurring gastrointestinal continue reading common intestinal problems.
Linneus kutzing, ulva intestinalis linnaeus nees, ulva lactuca linnaeus, saragassum cinerum j. Thallus bright grassgreen or light green, with an unbranched or sparingly branched ribbonlike, strongly compressed frond up to 30 cm long, generally with a frilled or scalloped margin. Tentative qualitative data was also acquired after multiple steps of purification. Ulva intestinalis marine algae of cape cod, massachusetts. The present work represents the first study on the cell wall thickening in ulva rigida and ulva intestinalis as a physiological response to heavy metal marine stress. Ethanolic extract of ulva intestinalis was reported to exhibit significant antibacterial activity and antihemolytic activity 41. Ulva is known for its ability to take up inorganic nutrients and use them to grow rapidly, which allows it to be successful in nitrogenrich areas and form the green tides 8,11. Fucus spiralis acts as an ecosystem engineer in the biotope. Ulva intestinalis is a green alga in the family ulvaceae, known by the common names sea.
We conducted a laboratory experiment with ulva intestinalis syn. True identity of the european freshwater ulva chlorophyta. Origin here, impact therethe need of integrated management. This study aims to quantitatively evaluate the biogas potential of the green alga ulva intestinalis from the gulf of riga, using bmp test with sewage sludge as. The effect of ulva intestinalis on crab abundance matthew r. Ulva intestinalis must be one if not the fastest growing algae you can grow in an ats and i doubt there will be better algae to grow in an ats to reduce nutrients. Young individuals are slender blades, whereas older individuals form a tube. During the summer months ephemeral green seaweeds such as ulva intestinalis can be common. The hollow tubes can be constricted at irregular intervals like intestines.
Positive and negative effects of riverine input on the estuarine green alga ulva intestinalis syn. Rock pools in the upper intertidal and saltmarshes, particularly in places where distribution. Fronds may be 1030 cm or more in length and 618 mm in diameter, the tips of which are usually rounded. Proximate composition of bio potential seaweeds from mandapam. Enteromorphalike ulva ulvophyceae, chlorophyta growing in. Plerocercoids of ligula intestinalis were found in 7.
Ulva meridionalis is distinguished from species with similar thalli by branching pattern, number of pyrenoids per cell, chloroplast position of the cells, life history, and developmental pattern. Institute for polar and marine research, bremerhaven, germany. Ulva intestinalis is pictured here attached to smooth basaltic rock in brackish water on mackenzie beach, just north of pacific rim national park. Ulva intestinalis linnaeus, 1753 world register of marine. Pdf the distribution of green algae species from the ulva genera. Also known as enteromorpha linza or doubled ribbon weed. Marlin the marine life information network gut weed. Evaluation of antimycotic activity of extracts of marine. Biochemical composition of some selected seaweeds from. Wiencke strain 1089, isolated in greenland in 1990. This species is a common feature of tidepools around the world, where it is known variously as sea hair or more appropriately gut weed.
The macroalgae forms a canopy that provides protection from desiccation for underlying fauna, in addition to providing a substratum. Ulva intestinalis, a tubular green seaweed, is a rich source of nutrient, especially sulphated polysaccharides. Very common on rock high up the shore, even managing to survive in the splash zone, outwith the regular tidal range. The bloom of chlorophyte ulva in lutoban bay and the. Ulva reticulata is a light to dark green algae with holes of differing shapes and sizes and smooth margins. Gas bubbles accumulate inside the tube and make it float. Antimicrobial activity of two marine algae ulva rigida and. Ethene ethylene production in the marine macroalga ulva. Biochemical composition of some selected seaweeds from tuticorin coast parthiban c. Hap2gcs1 is involved in the sexual reproduction system of. Phylogenetic trees of rbcl data show the occurrence of five species of enteromorpha e. The green tides of ulva substantially reduce the occurrence of the bottom fauna, thus diminishing the food base available to the marine macrofauna wan et al. These algae are common on all seashores and can produce in time an important amount of biomass in nutrientenriched waters.
Jun 10, 2016 nextgeneration massive parallel sequencing and bioinformatic techniques were applied to observe the differences in the transcriptome of litopenaeus vannamei juveniles that were fed with a control diet t1 or the same diet plus a live ulva clathrata supplement t2. Decontamination treatments to eliminate problem biota from macroalgal tank cultures of osmundea pinnatifida, palmaria palmata and ulva lactuca, journal of applied phycology, 2016, pp. Oct 25, 2012 the green algal genus ulva linnaeus ulvaceae, ulvales, chlorophyta is well known for its wide distribution in marine, freshwater, and brackish environments throughout the world. Mastering bio hw 4 at university of north florida studyblue. Bacteriainduced morphogenesis of ulva intestinalis and ulva mutabilis chlorophyta. The mondego river drains a 6670 km 2 basin and supports a population of about 885 thousand inhabitants 2006 data. Bioassayguided classification of the bacteriainduced morphogenesis of ulva intestinalis. In this case study, we explored quantitative 1h nmr qnmr, hplcdad, and the folinciocalteu assay tpc as methods of quantifying the total phenolic content of a green macroalga, ulva intestinalis, after optimized accelerated solvent extraction. Characteristics and antioxidant of ulva intestinalis. The ulva species are also highly tolerant of variations in salinity, temperature, and irradiance and are the main cause of green tides, which can have deleterious ecological effects. Make a thin cross section of ulva intestinalis and draw the. We studied the impact of freshwater inputs on primary producers in the lower housatonic river estuary in long island sound, u.
In all procedures of environmental evaluation, it is customary to merge information on habitats or, more precisely, biocoenoses, associations, and facies 58,59 and species, with estimates of their naturalistic and economic interest and their vulnerability and susceptibility. Ulva flexuosa, macroalgae, green algae, habitat conditions, poznan introduction localities of taxa from the genera ulva syn. Green algae ulvales chlorophyta, namely ulva and entermorpha, genera are distributed worldwide. Diversity free fulltext the challenge of managing marine.
Ulva intestinalis is a conspicuous bright grassgreen seaweed, consisting of inflated irregularly constricted, tubular fronds that grow from a small discoid base. The occurrence of the tapeworm, ligula intestinalis l. Ulva and enteromorpha ulvaceae, chlorophyta from two. The seaweeds were collected from dayyer, taheri and northern ouli coasts in. Enteromorpha intestinalis reported at 34 sites, while the rarest species was u. One homologue of a plantspecific peroxisomal abc transporter was found in ulva, but is absent in the genomes of other green algae. We discuss here the effects of several closedsystem conditions on the growth and survival of the solitary ascidian, ciona intestinalis.
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