scholarly journals Tamilokus mabinia, a new, anatomically divergent genus and species of wood-boring bivalve from the Philippines

PeerJ ◽  
2019 ◽  
Vol 7 ◽  
pp. e6256 ◽  
Author(s):  
J. Reuben Shipway ◽  
Marvin A. Altamia ◽  
Gary Rosenberg ◽  
Gisela P. Concepcion ◽  
Margo G. Haygood ◽  
...  
Keyword(s):  
Spatial Arrangement ◽  
Adductor Muscle ◽  
The Philippines ◽  
Rrna Gene ◽  
Micro Ct ◽  
Micro Computed Tomography ◽  
New Genus And Species ◽  
The Family ◽  
Well Differentiated ◽  
Wood Boring

Here we describe an anatomically divergent wood-boring bivalve belonging to the family Teredinidae. Specimens were collected off the coast of Mabini, Batangas, Philippines, in February 2018, from sunken driftwood at a depth of less than 2 m. A combination of characteristics differentiates these specimens from members of previously named teredinid genera and species. Most notable among these include: an enlarged cephalic hood which extends across the posterior slope of the shell valves and integrates into the posterior adductor muscle; a unique structure, which we term the ‘cephalic collar’, formed by protruding folds of the mantle immediately ventral to the foot and extending past the posterior margin of the valves; a large globular stomach located entirely posterior to the posterior adductor muscle and extending substantially beyond the posterior gape of the valves; an elongate crystalline style and style sac extending from the base of the foot, past the posterior adductor muscle, to the posteriorly located stomach; calcareous pallets distinct from those of described genera; a prominently flared mantle collar which extends midway along the stalk of the pallets; and, separated siphons that bear a pigmented pinstripe pattern with highly elaborate compound papillae on the incurrent siphon aperture. We used Micro-Computed Tomography (Micro-CT) to build a virtual 3D anatomical model of this organism, confirming the spatial arrangement of the structures described above. Phylogenetic analysis of the small (18S) and large (28S) nuclear rRNA gene sequences, place this bivalve within the Teredindae on a branch well differentiated from previously named genera and species. We propose the new genus and species Tamilokus mabinia to accommodate these organisms, raising the total number of genera in this economically and environmentally important family to 17. This study demonstrates the efficacy of Micro-CT for anatomical description of a systematically challenging group of bivalves whose highly derived body plans are differentiated predominantly by soft tissue adaptations rather than features of calcareous hard-parts.

scholarly journals Humihabitans oryzae gen. nov., sp. nov.

2007 ◽  
Vol 57 (9) ◽  
pp. 2163-2166 ◽  
Author(s):  
Akiko Kageyama ◽  
Yoko Takahashi ◽  
Satoshi Ōmura
Keyword(s):  
New Genus ◽  
Diaminopimelic Acid ◽  
Rrna Gene ◽  
New Genus And Species ◽  
Mycolic Acids ◽  
Gene Sequence Analysis ◽  
The Family ◽  
Paddy Field Soil ◽  
Diamino Acid ◽  
Aerobic Organism

Strain KV-657T was isolated from a paddy field soil sample collected in Japan using GPM agar plates supplemented with catalase. The strain was a Gram-positive, aerobic organism that formed branching hyphae with ll-diaminopimelic acid as the diagnostic peptidoglycan diamino acid. The major menaquinone was MK-8(H4). Mycolic acids were not detected. The G+C content of the DNA was 70 mol%. 16S rRNA gene sequence analysis revealed that this strain is closely related to Intrasporangium calvum DSM 43043T, with a similarity of 97.6 %. Based on the morphological, biochemical and chemotaxonomic properties of this strain and phylogenetic analysis, it was concluded that this isolate represents a new genus and species in the family Intrasporangiaceae, for which the name Humihabitans oryzae gen. nov., sp. nov. is proposed. The type strain of Humihabitans oryzae is KV-657T (=NRRL B-24470T =NBRC 101802T).

scholarly journals A new freshwater crab of the family Hymenosomatidae MacLeay, 1838 (Crustacea, Decapoda, Brachyura) and an updated review of the hymenosomatid fauna of New Caledonia

2020 ◽  
Author(s):  
Danièle Guinot ◽  
Valentin De Mazancourt
Keyword(s):  
Papua New Guinea ◽  
New Genus ◽  
New Caledonia ◽  
Mitochondrial Gene ◽  
The Philippines ◽  
The Other ◽  
Inland Waters ◽  
Freshwater Species ◽  
New Genus And Species ◽  
The Family

A new genus and species, Richerius marqueti gen. et sp. nov., of a crab of the family Hymenosomatidae MacLeay, 1838 are described from the inland waters of New Caledonia based on several specimens collected in two streams at altitudes of 180 m and 500 m, respectively. Richerius marqueti gen. et sp. nov. was compared to the other freshwater species known in New Caledonia, Odiomaris pilosus (A. Milne-Edwards, 1873), and to species of Amarinus Lucas, 1980, a genus comprising many freshwater species in New Zealand, Australia, Indonesia, the Philippines, and Papua New Guinea, but never recorded in New Caledonia. The barcode fragment of the COI mitochondrial gene was sequenced for seven specimens of R. marqueti gen. et sp. nov., and all sequences were deposited in GenBank. A brief and updated review of the New Caledonian marine and freshwater hymenosmatid fauna is provided.

scholarly journals Nitritalea halalkaliphila gen. nov., sp. nov., an alkaliphilic bacterium of the family ‘Cyclobacteriaceae’, phylum Bacteroidetes

2010 ◽  
Vol 60 (10) ◽  
pp. 2320-2325 ◽  
Author(s):  
P. Anil Kumar ◽  
T. N. R. Srinivas ◽  
P. Pavan Kumar ◽  
S. Madhu ◽  
S. Shivaji
Keyword(s):  
Type Strain ◽  
New Genus ◽  
Sequence Similarity ◽  
Rrna Gene ◽  
New Genus And Species ◽  
Gene Sequence Analysis ◽  
The Family ◽  
Lonar Lake ◽  
Alkaliphilic Bacterium ◽  
Sequence Similarities

A novel Gram-negative, rod-shaped, non-motile bacterium, designated strain LW7T, was isolated from a water sample collected at a depth of 4.5 m from Lonar Lake in Buldhana district, Maharastra, India. The cell suspension was dark-reddish orange due to the presence of carotenoids. The fatty acids were dominated by large amounts of iso-C15 : 0 (59.6 %) and iso-C17 : 0 3-OH (8.9 %). Strain LW7T contained MK-4 and MK-5 as the major respiratory quinones and phosphatidylglycerol and phosphatidylethanolamine as the major phospholipids. 16S rRNA gene sequence analysis indicated that Belliella baltica, a member of family ‘Cyclobacteriaceae’ (phylum Bacteroidetes), is the closest related species, with a sequence similarity of 94.0 % to the type strain. Other members of the family ‘Cyclobacteriaceae’ had sequence similarities of <93.3 %. Based on the above-mentioned phenotypic and phylogenetic characteristics, strain LW7T is proposed as a representative of a new genus and species, Nitritalea halalkaliphila gen. nov., sp. nov. The type strain of Nitritalea halalkaliphila is LW7T (=CCUG 57665T =JCM 15946T =NCCB 100279T). The genomic DNA G+C of strain LW7T is 49 mol%.

A comparative analysis of the spatangoid echinoid genera Brissopsis and Metalia: a new genus and species of spatangoid (Echinodermata: Echinoidea: Brissopsidae) from the Philippines and the reassignment of Brissopsis persica to Metalia

Zootaxa ◽  
2008 ◽  
Vol 1760 (1) ◽  
pp. 1 ◽  
Author(s):  
SIMON E. COPPARD
Keyword(s):  
Comparative Analysis ◽  
New Genus ◽  
The Philippines ◽  
New Genus And Species ◽  
The Family ◽  
Tube Feet

Brissalius vannoordenburgi gen. nov., sp. nov. occurs at depths of 200 meters off Siquijor Island in the Philippines and is typical of the family Brissopsidae in having specialised aboral tube feet in ambulacra III within the peripetalous fasciole used for funnel building. It is distinct from species of Brissopsis and Metalia in having a shield-shaped subanal fasciole in conjunction with confluent posterior petals. This species has a particularly diverse array of highly localised pedicellariae, with three distinct forms of globiferous pedicellaria (simple fistulate, fanged fistulate and fanged open-bladed), three forms of straight bladed tridentate (narrow-valved, spatulate and terminal-toothed) as well as typical spatangoid rostrate, ophicephalous and triphyllous pedicellariae. Brissopsis persica is the only species in the genus that has a shield-shaped subanal fasciole. However, this species has divergent posterior petals, simple (non-lobed) anterior aboral tube feet, enlarged tubercles along the anterior ambulacrum, no anal fasciole, and lacks both globiferous and ophicephalous pedicellariae. These findings demonstrate that this Brissopsis persica does not belong in Brissopsis but should be placed in Metalia.

scholarly journals Halarchaeum acidiphilum gen. nov., sp. nov., a moderately acidophilic haloarchaeon isolated from commercial solar salt

2010 ◽  
Vol 60 (11) ◽  
pp. 2513-2516 ◽  
Author(s):  
Hiroaki Minegishi ◽  
Akinobu Echigo ◽  
Shuhei Nagaoka ◽  
Masahiro Kamekura ◽  
Ron Usami
Keyword(s):  
New Genus ◽  
Gene Sequence ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
New Genus And Species ◽  
Solar Salt ◽  
The Family ◽  
Optimum Ph ◽  
The 16S Rrna Gene ◽  
Moderately Acidophilic

A novel halophilic archaeon, strain MH1-52-1T, was isolated from solar salt imported from Australia. Cells were pleomorphic, non-motile and Gram-negative. Strain MH1-52-1T required at least 3.0 M NaCl and 1 mM Mg2+ for growth. Strain MH1-52-1T was able to grow at pH 4.0–6.0 (optimum, pH 4.4–4.5) and 15–45 °C (optimum, 37 °C). The diether phospholipids phosphatidylglycerol and phosphatidylglycerol phosphate methyl ester, derived from both C20C20 and C20C25 archaeol, were present. Four unidentified glycolipids were also detected. The 16S rRNA gene sequence showed the highest similarity to that of Halobacterium noricense A1T (91.7 %); there were lower levels of similarity to other members of the family Halobacteriaceae. The G+C content of its DNA was 61.4 mol%. Based on our phenotypic, genotypic and phylogenetic analyses, it is proposed that the isolate should be classified as a representative of a new genus and species, for which the name Halarchaeum acidiphilum gen. nov., sp. nov. is proposed. The type strain of Halarchaeum acidiphilum is MH1-52-1T (=JCM 16109T =DSM 22442T =CECT 7534T).

scholarly journals Persicitalea jodogahamensis gen. nov., sp. nov., a marine bacterium of the family ‘Flexibacteraceae’, isolated from seawater in Japan

2007 ◽  
Vol 57 (5) ◽  
pp. 1014-1017 ◽  
Author(s):  
Jaewoo Yoon ◽  
Shu Ishikawa ◽  
Hiroaki Kasai ◽  
Akira Yokota
Keyword(s):  
Marine Bacterium ◽  
Sequence Similarity ◽  
Phylogenetic Analyses ◽  
Rrna Gene ◽  
The Novel ◽  
New Genus And Species ◽  
The Family ◽  
Taxonomic Studies ◽  
Taxonomic Examination ◽  
The 16S Rrna Gene

An obligately aerobic, Gram-negative, non-motile, pale-pink-pigmented, rod-shaped strain, designated Shu-9-SY12-35CT, was isolated from seawater in Jodogahama, Iwate, Japan, and was subjected to a polyphasic taxonomic examination. Phylogenetic analyses based on the 16S rRNA gene sequence revealed that the novel isolate was affiliated with the family ‘Flexibacteraceae’ of the phylum Bacteroidetes and that it showed highest sequence similarity (86.4 %) with Dyadobacter hamtensis HHS 11T. The novel isolate is phenotypically and physiologically different from strains described previously. The G+C content of the DNA was 56.3 mol%, MK-7 was the major menaquinone and iso-C15 : 0, C16 : 1 ω7c and iso-C17 : 0 3-OH were the major fatty acids. On the basis of polyphasic taxonomic studies, it was concluded that strain Shu-9-SY12-35CT represents a new genus and species of the family ‘Flexibacteraceae’, for which the name Persicitalea jodogahamensis gen. nov., sp. nov. is proposed. The type strain of Persicitalea jodogahamensis is Shu-9-SY12-35CT (=MBIC07417T=IAM 15412T=KCTC 12866T).

A new genus and species of split-footed lacewings (Neuroptera) from the early Eocene of western Canada and revision of the subfamily affinities of Mesozoic Nymphidae

2020 ◽  
Vol 152 (3) ◽  
pp. 269-287
Author(s):  
S. Bruce Archibald ◽  
Vladimir N. Makarkin
Keyword(s):  
New Species ◽  
New Genus ◽  
The Philippines ◽  
New Combination ◽  
Western Canada ◽  
New Genus And Species ◽  
The Past ◽  
The Family ◽  
Okanagan Highlands ◽  
Almost All

AbstractA new genus and new species of Nymphidae (Neuroptera) is described from the Ypresian Okanagan Highlands locality of Falkland, British Columbia, Canada: Epinesydrion falklandensisnew genus, new species. This is only the fourth known Cenozoic adult specimen, and all others are less complete. It is the second specimen from the Okanagan Highlands. Currently Nymphidae has two recognised subfamilies. All Cenozoic fossils are confident members of the Nymphinae, but the subfamily assignments of almost all Mesozoic genera are problematic. The Late Cretaceous Dactylomyius is the only genus that might belong to Myiodactylinae. The rest may belong to the undefined stem groups of the family or to the Nymphinae, with varying levels of probability. Mesonymphes sibirica is transferred to Nymphites Haase: N. sibiricus (Ponomarenko), new combination; Sialium minor to Spilonymphes Shi, Winterton, and Ren: Spilonymphes minor (Shi, Winterton, and Ren), new combination; “Mesonymphes” apicalis does not belong to Mesonymphes Carpenter and may not even belong to the Nymphidae. The fossil record of the family occurs across much of the globe, but today they are restricted to Australia, New Guinea, and possibly the Philippines. Modern Nymphinae is only found in Australia. This may result from a requirement of frost-free climates, which were more widespread in the past.

scholarly journals Natronoarchaeum mannanilyticum gen. nov., sp. nov., an aerobic, extremely halophilic archaeon isolated from commercial salt

2010 ◽  
Vol 60 (11) ◽  
pp. 2529-2534 ◽  
Author(s):  
Yasuhiro Shimane ◽  
Yuji Hatada ◽  
Hiroaki Minegishi ◽  
Toru Mizuki ◽  
Akinobu Echigo ◽  
...  
Keyword(s):  
New Genus ◽  
Lipid Analysis ◽  
Optimal Growth ◽  
Rrna Gene ◽  
New Genus And Species ◽  
Optimal Growth Temperature ◽  
Gene Sequence Analysis ◽  
The Family ◽  
Extremely Halophilic Archaeon ◽  
Type Strains

Strain YSM-123T was isolated from commercial salt made from Japanese seawater in Niigata prefecture. Optimal NaCl and Mg2+ concentrations for growth were 4.0–4.5 M and 5 mM, respectively. The isolate was a mesophilic and slightly alkaliphilic haloarchaeon, whose optimal growth temperature and pH were 37 °C and pH 8.0–9.0. Phylogenetic analysis based on 16S rRNA gene sequence analysis suggested that strain YSM-123T is a member of the phylogenetic group defined by the family Halobacteriaceae, but there were low similarities to type strains of other genera of this family (≤90 %); for example, Halococcus (similarity <89 %), Halostagnicola (<89 %), Natronolimnobius (<89 %), Halobiforma (<90 %), Haloterrigena (<90 %), Halovivax (<90 %), Natrialba (<90 %), Natronobacterium (<90 %) and Natronococcus (<90 %). The G+C content of the DNA was 63 mol%. Polar lipid analysis revealed the presence of phosphatidylglycerol, phosphatidylglycerophosphate methyl ester, disulfated diglycosyl diether and an unknown glycolipid. On the basis of the data presented, we propose that strain YSM-123T should be placed in a new genus and species, Natronoarchaeum mannanilyticum gen. nov., sp. nov. The type strain of Natronoarchaeum mannanilyticum is strain YSM-123T (=JCM 16328T =CECT 7565T).

scholarly journals Two new xylophile cytheroid ostracods (Crustacea) from Kuril-Kamchatka Trench, with remarks on the systematics and phylogeny of the family Keysercytheridae, Limnocytheridae, and Paradoxostomatidae

2021 ◽  
Vol 79 ◽  
pp. 171-188
Author(s):  
Hayato Tanaka ◽  
Hyunsu Yoo ◽  
Huyen Thi Minh Pham ◽  
Ivana Karanovic
Keyword(s):  
Deep Sea ◽  
18S Rrna Gene ◽  
The Body ◽  
Northwestern Pacific ◽  
Rrna Gene ◽  
Free Living ◽  
Naturally Occurring ◽  
The Family ◽  
Close Relationship ◽  
Wood Boring

Abstract Keysercythere reticulatasp. nov. and Redekea abyssalissp. nov., collected from the wood fall submerged in the Kuril-Kamchatka Trench (Northwestern Pacific), are only the second records of the naturally occurring, wood-associated ostracod fauna from a depth of over 5000 m. At the same time, K. reticulata is the second and R. abyssalis is the third representative of their respective genera. While Keysercythere Karanovic and Brandão, 2015 species are free-living, deep-sea taxa, all Redekea de Vos, 1953 live symbiotically on the body surface of wood-boring isopods, Limnoria spp. Since R. abyssalis is the only genus representative found in the deep sea, we hypothesize that its ancestor colonized this ecosystem as a result of the symbiotic relationship. Newly collected material enabled us to update molecular phylogeny of Cythreoidea based on 18S rRNA gene sequences, especially to clarify the current systematics of the families Keysercytheridae, Limnocytheridae, and Paradoxostomatidae. The resulting phylogenetic tree supports a close relationship between Keysercythere and Redekea and a distant relationship between two Limnocytheridae lineages, Timiriaseviinae and Limnocytherinae. Consequently, we propose a transfer of Redekea from Paradoxostomatidae to Keysercytheridae, and erecting of the two limnocytherid subfamilies onto the family level. The phylogenetic analysis also implies a close relationship between the nominal Limnocytherinae genus and Keysercythere+Redekea clade, albeit with a low posterior probability, requiring further studies to clarify this.

Monoglobus pectinilyticus gen. nov., sp. nov., a pectinolytic bacterium isolated from human faeces.

2020 ◽  
Author(s):  
CC Kim ◽  
WJ Kelly ◽  
ML Patchett ◽  
GW Tannock ◽  
Z Jordens ◽  
...  
Keyword(s):  
16S Rrna ◽  
16S Rrna Gene ◽  
Sequence Similarity ◽  
Middle Lamella ◽  
Rrna Gene ◽  
Gene Sequences ◽  
16S Rrna Gene Sequences ◽  
Citrus Peel ◽  
Human Faeces ◽  
The Family

© 2017 IUMS. A novel anaerobic pectinolytic bacterium (strain 14T) was isolated from human faeces. Phylogenetic analysis based on 16S rRNA gene sequences revealed that strain 14T belonged to the family Ruminococcaceae, but was located separately from known clostridial clusters within the taxon. The closest cultured relative of strain 14T was Acetivibrio cellulolyticus (89.7% sequence similarity). Strain 14T shared ~99% sequence similarity with cloned 16S rRNA gene sequences from uncultured bacteria derived from the human gut. Cells were Gram-stain-positive, non-motile cocci approximately 0.6μm in diameter. Strain 14T fermented pectins from citrus peel, apple, and kiwifruit as well as carbohydrates that are constituents of pectins and hemicellulose, such as galacturonic acid, xylose, and arabinose. TEM images of strain 14T, cultured in association with plant tissues, suggested extracellular fibrolytic activity associated with the bacterial cells, forming zones of degradation in the pectin-rich regions of middle lamella. Phylogenetic and phenotypic analysis supported the differentiation of strain 14T as a novel genus in the family Ruminococcaceae. The name Monoglobus pectinilyticus gen. nov., sp. nov. is proposed; the type strain is 14T (JCM 31914T=DSM 104782T).

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