Link was originally described by linnaeus 1753 under the name ulva intestinalis as ulva tubulosa simplex and enteromorpha compressa l. Enteromorpha intestinalis were collected in june from the western coast of norway. Novitates systematicae plantarum non vascularium 3. However, no studies to date have examined the effect of this large geographical variation on a single macroalgae species for biofuel production. Decontamination treatments to eliminate problem biota from. Ulva intestinalis marine algae of cape cod, massachusetts. Range globalcontinental wisconsin native range cosmopolitan marine species1,2 figure 1.
Until they were reclassified by genetic work completed in the early 2000s, the tubular members of the genus ulva were in the genus enteromorpha description 18 ulva intestinalis is a conspicuous bright grassgreen seaweed, consisting of. Also known as enteromorpha intestinalis description. Summary 17 ulva intestinalis is a green alga in the phylum chlorophyta, of the genus ulva sea lettuce, also known by the common names gutweed and grass kelp. 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. The chemical composition, dietary fibre contents, element and amino acid profiles of ulva intestinalis, harvested from the shrimp cultured ponds in pattani province, were investigated in order to gain more intensive nutritional information. With a free trial of our online pdf converter, you can convert files to and from pdf for free, or sign up for one of our memberships for limitless access to our file converters full suite of tools. Some basic biological processes life cycle reproduction and biological reproduction sex sexual reproduction asexual reproduction. Studies of sites with extensive blooms of ulva intestinalis, u. Pdf ulva intestinalis previously called enteromorpha intestinalis is the principal marine macroalga growing in isolated rockpools along the swedish. Phytochemical constituents and bioscreening activities of. Strong endemism of bloomforming tubular ulva in indian.
Ulva enteromorpha intestinalis linnaeus is a green alga, known also as gut weed and grass kelp, in the division. Laboratory algae cultivation and bmp tests with ulva. Photosynthetic carbon utilization by enteromorpha intestinalis. Photosynthetic carbon utilization by enteromorpha intestinalis chlorophyta from a swedish rockpool volume 32 issue 1 christer larsson, lennart.
These algae are common on all seashores and can produce in time an important amount of biomass in nutrientenriched waters. This chlorophyte found throughout the indowest pacific region is more commonly known throughout the world as ribbon sea lettuce and more. Significant effects were found on carbohydrate, fatty acid and ash content between the sites. A set of feeding trials was carried out to assess the potential use of gut weed gw ulva intestinalis as a direct food to replace commerci. The influence of abiotic factors on the bloomforming alga ulva. Preparation and identification of ace inhibitory peptides. Bacteriainduced morphogenesis of ulva intestinalis and ulva. 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. Antimicrobial activity of two marine algae ulva rigida and.
Echt darmwier in dutch tarmalg in swedish bibliographic references. The membrane is two cells thick, soft and translucent and grows attached without a stipe to rocks by a small discshaped holdfast. The sea lettuces comprise the genus ulva, a group of edible green algae that is widely distributed along the coasts of the worlds oceans. The green algae lifecycle of the sea lettuce ulva green alga ulothrix lifecycles animals humans ulva a green alga. Ulva intestinalis and ulva compressa are two bloomforming morphologicallycryptic species of green seaweeds widely accepted as cosmopolitan in distribution. 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. To address the question of how ulva speciesspecific the morphogenetic activities of bacteria are, axenic cultures of u. Ethene ethylene production in the marine macroalga ulva. Rock pools in the upper intertidal and saltmarshes, particularly in places where distribution. Ethene acts as a hormone in higher plants and its role in plant biochemistry, physiology and ecology has been the subject of extensive research. Current status and distribution ulva enteromorpha spp. Laboratory algae cultivation and bmp tests with ulva intestinalis from the gulf of riga. Native, invasive and cryptogenic ulva species from the israeli mediterranean sea. However no activity was detected by methanolic extract of ulva intestinalis on multidrug resistantmdr proteus mirabilis and.
Characterization of polysaccharides from enteromorpha. Native, invasive and cryptogenic ulva species from the. It is able to reproduce using unfused gametes, spores, and zygotes. The morphology, thallus length, biomass and reproductive pattern of green seaweed enteromorpha intestinalis l. Ulva usually multiply bymeans of fragments which are accidentally produced from a thallus. Pdf an experiment was conducted to evaluate the effects of replacing soybean meal with the protein concentrate of ulva intestinalis upc in the diet. Fronds may be 1030 cm or more in length and 618 mm in diameter, the tips of which are usually rounded. Ulva reticulata is a light to dark green algae with holes of differing shapes and sizes and smooth margins. Inflated, hollow fronds with a bright grassgreen colour, strongly resembling the large instestines of mammals.
Marlin the marine life information network gut weed. One such adaptation is the use of algal refuges by crabs to avoid. Morphogenesis of ulva mutabilis chlorophyta induced by maribacter species bacteroidetes, flavobacteriaceae article pdf available in botanica marina 602 january 2017 with 148 reads. Response surface methodology was employed to optimize the ultrasoundassisted extraction of crude polysaccharides from the cell wall of ulva intestinalis. The genus ulva popularly known as sealettuce is one of the most common and abundant green macroalgae throughout the world lahaye and robic, 2007. Effect of geographical location on the variation in. Vegetative and fertile ulva intestinalis blades were collected three times. Bladderwrack gutweed ulva intestinalis seaweed seagrass.
Status of name this name is currently regarded as a synonym of ulva clathrata roth c. Bioassayguided classification of the bacteriainduced morphogenesis of ulva intestinalis. Despite its wide distribution, it is poorly utilized ray and lahaye, 1995 and only a small part of its biomass is used as food or animal feed due to its nutritional components vitamins. An experimental assessment of the status of the species. This study aims to quantitatively evaluate the biogas potential of the green alga ulva intestinalis from the gulf of. Ulva intestinalis is a green alga in the family ulvaceae, known by the common names sea lettuce, gutweed and grass kelp. In this study, 24 samples of ulva intestinalis were collected along 1200 km of swedish coastline and assessed as a feedstock for htl. Cellwall mucilaginous polysaccharides from enteromorpha intestinalis were extracted, purified and their physicochemical characteristics determined. Pdf protein concentrate of ulva intestinalis chlorophyta. 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. The effect of ulva intestinalis on crab abundance matthew r.
Both former names 1976 and current names are provided. Preliminary assessment of the gut weed ulvaintestinalis as food for. Ulva reticulata is the main species observed in lutoban bay and ulva intestinalis to a lesser extent. Media in category ulva intestinalis the following 83 files are in this category, out of 83 total. Heavy metals in seaweeds from a polluted estuary in coastal maine authors. The type species within the genus ulva is ulva lactuca, lactuca being latin for lettuce. In their interpretations by later authors, the two species differ. Pdf why is ulva intestinalis the only macroalga inhabiting isolated.
Asexual reproduction takes place by means of quadriflagellate zoospores. Preliminary investigation into the induction of reproduction in ulva spp. Four experimental diets were formulated to replace 0. Vegetative multiplication also takes place by means of the proliferation of perennial holdfast. The seaweed is considered an unsightly and odoriferous nuisance at tumon bay and east agana bay where growth along the shoreline is lush. International journal of engineering research and general. The bloom of chlorophyte ulva in lutoban bay and the.
Results of present study confirmed the potential usefulness of marine. It grows as thin tubular filaments composed of twocell layers, which c a n r e a c h 5 0 c m i n l e n g t h, s m o t h e r i. The aim of this study was to isolate and purify ace inhibitory peptides aceips from the protein hydrolysate of the marine macroalga ulva intestinalis. Thousands of new, highquality pictures added every day. Ulva intestinalis is a fast growing ephemeral algae, which can grow well in macroalgal culture where light and nutrients are plentiful, either detached or as an epibiont. Ulva intestinalis is a conspicuous bright grassgreen seaweed, consisting of inflated irregularly constricted, tubular fronds that grow from a small discoid base.
Changes in amino acid composition of ulva intestinalis chlorophyceae following addition of ammonium or nitrate article pdf available in phycologia 453. The voucher specimen of ulva intestinalis was deposited in the herbarium bg voucher no. Composition of ulva intestinalis, which grows all around sweden, was studied in natural populations on the west coast and southern half of the east coast. The total summation of the recorded total crude fat increase in the order ulva lactuca ulva fasciata ulva intestinalis, with percentage. Bacteriainduced morphogenesis of ulva intestinalis and. 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. Ulva intestinalis ulva fasciata ulva lactuca, with percentage. Journal of applied phycology ulva clathrata scientific classification unranked. Angiotensin iconverting enzyme ace inhibitory peptides derived from seaweed represent a potential source of new antihypertensive. Your use of this pdf, the bioone web site, and all posted and associated. Find bladderwrack gutweed ulva intestinalis seaweed seagrass stock images in hd and millions of other royaltyfree stock photos, illustrations and vectors in the shutterstock collection.
Results of present study confirmed the potential usefulness of marine algae in the pharmaceutical and biotechnological industries. Coastal maine heavy metals in seaweeds from a polluted. Previous studies have shown that these are two distinct species that exhibit great morphological plasticity with changing seawater salinity. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. Files are available under licenses specified on their description page.
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