Recently, an arsenic as hyperaccumulator pteris vittata l. It has been praised for its potential to remediate soils contaminated with arsenic. It concentrates arsenic in aboveground biomass, which is a primary requirement for efficient phytoremediation. The genes involved in arsenite asiii transport are not yet clear. Pdf potential use of the pteris vittata arsenic hyperaccumulation. Pteris vittata was the first identified hyperaccumulator for arsenic. This is a cosmopolitan fern being distributed in almost all geographical regions. Pteris vittata, commonly known variously as the chinese brake, chinese ladder brake, or simply ladder brake, is a fern species in the pteridoideae subfamily of the pteridaceae. Providers doc nzflora provider contribution summary biostatus geo schema political region geo region new zealand environmental context wild occurrence present origin exotic. The structure of petioles in pteris pteridaceae article pdf available. Our aim was to analyse the accumulation capacity, oxidative stress and antioxidant response of this fern after cadmium treatments. Pteris vittata in the germplasm resources information network grin, u.
The fern was growing at a central florida site contaminated with large amounts of copper arsenate in the soil. Furthermore, the bioconcentration factor, defined as the ratio of shoot as concentration to soil as concentration, was greater than 10. Learn about pteris vittata benzilan benzilan chinese. Find, read and cite all the research you need on researchgate. Many are known by the overall term brake fern but some are described more specifically pteris cretica, for example, is known commonly as a cretan brake. Here, we describe the isolation and characterization of a new p. The highest frequency of polyploidy among plants is considered to occur in the pteridophytes. Brief description amanda spooner, monday 20 october 1997. This region could be a centre of pteris diversification, a view further.
The fern pteris vittata is an arsenic hyperaccumulator. The mechanisms of arsenic as hyperaccumulation in pteris vittata, the first identified as hyperaccumulator, are unknown. The atlas of florida plants provides a source of information for the distribution of plants within the state and taxonomic information. In the case of buchanan this is not unusual as many of his. Arsenic alters uptake and distribution of sulphur in. Pteris vittata, a model arsenic hyperaccumulator, has great potential as a. Summary pteris vittata is the first plant reported to be a hyperaccumulator of arsenic as, and little is known about the mechanisms of as. Pteris vittata ufifas center for aquatic and invasive. Pteris vittata sporophytes hyperaccumulate arsenic to 1% to 2% of their dry weight. However, that record is not substantiated by a herbarium specimen and it has not been seen there on recent surveys. Pteris vittata commonly known as brake fern was discovered to have the ability to hyperaccumulate absorb large amounts of arsenic from soil. Pteris vittata new zealand plant conservation network.
It is indigenous to asia, southern europe, tropical africa and australia. Pteris definition of pteris by the free dictionary. Pdf the objective of this study was to describe a wide spectrum of surface structural and anatomical details of the chinese brake fern pteris. Here we investigated whether phytochelatins pcs are involved in the hypertolerance of arsenic by p. The danger of arsenic leaching from treated woods into childrens play areas has made the news in south florida recently. This plant remains about 18 inches in height and grows with unusual oval or lanceolate divided leaves that are a light green with. Pdf abstract pteris vittata has been reported to be a hyperaccumulator of. I am an amateur botanist working on the fern and lycophyte flora of santa catarina island, in southern brazil. Three genes define a bacteriallike arsenic tolerance. Plantae tracheophyta polypodiopsida polypodiales pteridaceae pteris pteris vittata l. Deer resistant plants, dry shade plants, groundcovers, medicinal plants, plant delights introductions, plants from china, xeriscaping plants, ferns and allies, cottage garden plants, green roofs, living wall pteris. Pteris subfamily pteridoideae belongs to the pteridaceae family, of which there are a total of 280 separate species. Pteris vittata is a hyperaccumulator of arsenic, and its sporophyte and gametophyte.
Expression of new pteris vittata phosphate transporter. Mechanisms of arsenic hyperaccumulation in pteris vittata. Pdf the structure of petioles in pteris pteridaceae. The arsenic hyperaccumulating pteris vittata expresses two arsenate reductases. Pteris argyraea silver brake fern the silver brake fern pteris argyraea. We investigated changes in the rhizosphere characteristics of pteris vittata chinese brake fern relevant for its use. Systematic revision of pteris and ecology of ferns in. Like the sporophyte, the gametophyte was found to reduce arsenate asv to arsenite asiii and store arsenic as free asiii. Save our waterways now sown is a communitybased volunteer environment organization restoring habitat in brisbanes enoggera catchment. Pteris vittata, also known as chinese brake or ladder fern, is native to china.
Pityrogramma, or the gold and silverbacked ferns, consists of about 16 tropical species, which are occasionally. Deprecated name ids 22fd10647f714b8b22ed368eef4175 was deprecated on 14sep2018. Provides authoritative information on the flora of western australia. There are nearly 300 species of pteris distributed around the world. Jstor is part of ithaka, a notforprofit organization helping the academic community use digital technologies to preserve the scholarly record and to advance research and teaching in sustainable ways. The arsenic hyperaccumulating pteris vittata expresses two. We investigated the interactions of arsenate and phosphate on the uptake and distribution of as and phosphorus p, and as speciation in p. In pteris longifolia, however, the pinnae are articulated to the rachis, whereas in p. To view a copy of this license, visit reprints and permissions. Pteris argyraea silver brake fern nurseries online. I also study the taxonomy of the brazil nut family lecythidaceae.
Access is allocated within two business days of purchase and lasts one year. A web site containing information about the flora of zimbabwe. Cultivated as an ornamental and commonly escaped in the southeastern us coastal plain stanford and diggs 1998. Pteris vittata is known as an arsenic hyperaccumulator, but there is little information about its tolerance to cadmium and on its ability to accumulate this heavy metal. This plant can be weedy or invasive according to the authoritative sources noted below. Even though it has the beneficial quality of being a natural bioaccumulator, it is still considered an invasive plant and should be managed as such. In an 18d hydroponic experiment with varying concentrations of arsenate and phosphate, p. Data source and references for pteris vittata ladder.
The problem of the heavy metal, arsenic, in the soil is much wider than this, of course, since it is a byproduct of many industrial and mining activities, and has been a common. Coenosori are marginal, borne continuously on a vascular commissure connected with vein ends. Recently the brake fern pteris vittata was found to be an as hyperaccumulator brooks, 1998 and very effective in remediation of a central florida soil contaminated with chromated copper arsenate ma et al. The record derives from tropicos data supplied on 20120418 which reports it as an accepted name record 26602473 with original publication details. Data source and references for pteris vittata ladder brake from the usda plants database. Antioxidative mechanisms on selenium accumulation in pteris vittata. The largest genus, pteris brakes, consists of about 300 species distributed throughout tropical and warm temperate parts of the world and is known for the large number of hybrids between various species. Linnean society of london herbarium linn, linnhl12463. Characterizing the functions of these genes reveals that this fern has evolved a bacteriallike mechanism that allows it to sequester this deadly toxin. Arsenichyperaccumulator pteris vittata is efficient in as uptake, probably through phosphate transporters pht. The website also provides access to a database and images of herbarium specimens found at the university of south florida and other herbaria. Pteris vittata was first recorded from new zealand in the mid 1800s by government botanist john buchanan from the tarawera hot springs c. Rhizosphere characteristics of the arsenic hyperaccumulator pteris.
Response of pteris vittata to different cadmium treatments. Pteris ensiformis, the slender brake, silver lace fern, sword brake fern, or slender brake fern, is a plant species in the genus pteridoideae subfamily of the pteridaceae. Pteris vittata ufifas center for aquatic and invasive plants. They are very common along the slopes of hills and can be seen even at 1200 metres above sea. Ferns of mississippi is an identification guide to ferns found throughout mississippi and in many areas of the southeast united states. Both species are similar in having 1pinnateimparipinnate laminae, entire and linear pinnae, and free venation with simple or furcate veins. Lay and collie, and other officers of the expedition, during the voyage to the pacific and behrings 19783050494. Pteris vittata benzilan aka benzilan chinese table fern. Pteris vittata shows excellent arsenic hyperaccumulation properties in contaminated soil. Pteris however, prefers tropical and subtropical climates.
Chinese brake fern is the first discovered ashyperaccumulating plant 4. Evidence for exocellular arsenic in fronds of pteris vittata scientific. Pteridaceae in montenegro article pdf available in acta botanica croatica 712 october 2012 with 101 reads how we measure reads. The type specimen was collected in china by pehr osbeck. The role of phytochelatins in arsenic tolerance in the. This plant may be known by one or more common names in different places, and some are listed.
Pteris synonyms, pteris pronunciation, pteris translation, english dictionary definition of pteris. Pteris vittata was the first identified arsenic as hyperaccumulator. Plant sensitivity to as varies according to species and a relatively low number of plant species are naturally tolerant to as. Here, the effect of as treatment on the uptake and distribution of s in p. Plants usually grow in well drained places or in the crevices of rocks. Nevertheless at that time the pteris was not known to be so common around.
Pteris large genus of terrestrial ferns of tropics and subtropics. If you are looking for colorful foliage in a fern then pteris argyraea commonly called the silver brake fern could well be worth a look. In this study, we documented variation in the soil as associated with the chinese brake fern, pteris vittata l. Department of agriculture agricultural research service. Pteris vittata, chinese brake fern, soil, arsenic, hyperaccumulation, elemental allelopathy, plantplant competition. Elemental allelopathy by an arsenic hyperaccumulating fern, pteris. Naturalized in florida as early as the 1920s small 1938.
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