Lichens of the family Teloschistaceae in Dagestan, an eastern part of the Caucasian biodiversity hot-spot

Recent studies on Orthotrichoid mosses in Russia are summarized genus by genus. Orthotrichum furcatum Otnyukova is synonymized with Nyholmiella obtusifolia. Orthotrichum vittii is excluded from the Russian moss flora. Description of O. dagestanicum is amended. Fifty four currently recognized species from 9 genera of the Orthotrichaceae are presently known to occur in Russia; list of species with common synonyms and brief review of distribution in Russia is presented. Numerous problematic specimens with unresolved taxonomy were omitted for future. Revealed taxonomical inconsistencies in the genera Zygodon, Ulota, Lewinskya, Nyholmiella, Orthotrichum are briefly discussed. Main regularities of spatial differentiation of the family Orthotrichaceae in Russia are considered. Recently presented novelties contribute to the certain biogeographic pattern, indicating three different centers of diversity of the family, changing along longitudinal gradient. Unlike European one, continental Asian diversity of Orthotrichaceae is still poorly known, the Siberian specimens which were previously referred to European species in most cases were found to represent other, poorly known or undescribed species. North Pacific Region houses peculiar and poorly understood hot spot of diversity of Orthotrichoid mosses. Thus, these hot spots are obligatory to be sampled in course of revisions of particular groups, since they likely comprise under-recorded cryptic- or semi-cryptic species. Latitudinal gradient also contributes to the spatial differentiation of the revealed taxonomic composition of Orthotrichaceae.

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Cyclacanthia n.g. (Demospongiae: Poecilosclerida: Latrunculiidae incertea sedis), a new genus of marine sponges from South African waters, and description of two new species

Zootaxa ◽

10.11646/zootaxa.725.1.1 ◽

2004 ◽

Vol 725 (1) ◽

pp. 1 ◽

Cited By ~ 3

Author(s):

TOUFIEK SAMAAI ◽

VASHA GOVENDER ◽

MICHELLE KELLY

Keyword(s):

South African ◽

Type Species ◽

New Genus ◽

East Coast ◽

Hot Spot ◽

Marine Sponges ◽

The Family ◽

Two New Species ◽

Shallow Subtidal ◽

Warm Temperate

The new genus Cyclacanthia n.g. is erected in the poecilosclerid Family Latrunculiidae for the type species Latrunculia bellae Samaai & Kelly, 2003, and two further species, Cyclacanthia cloverlyae sp. nov., and Cyclacanthia mzimayiensis sp. nov.. The latter species are from the subtropical east coast of South Africa, whereas C. bellae has only been found further south in warm temperate Algoa Bay. Cyclacanthia n.g. differs from other Latrunculiidae genera in the ontogeny, morphology and structure of the mature microsclere, the isospinodiscorhabd, which has only three major whorls of projections as opposed to the four in species of Latrunculia du Bocage. Additional diagnostic characters include the presence of broad swathes of megascleres that diverge from the base of the sponge towards the upper choanosome, where they form loose brushes and the typical whispy reticulation of most Latrunculiidae. The ectosome is composed of a dense tangential layer of megascleres, an irregular palisade of microscleres at the surface, and a permanently encrusting habit. Cyclacanthia n.g. is the second new latrunculid genus recently described from shallow subtidal South African waters, following major revision of the family. The presence of species in four of the five known genera in the family, on South African coastlines, suggests a diversity hot-spot for the family in this region.

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Littoral Harpacticoida (Crustacea: Copepoda) of Madeira and Porto Santo (Portugal)

Journal of the Marine Biological Association of the United Kingdom ◽

10.1017/s0025315416001168 ◽

2016 ◽

Vol 98 (1) ◽

pp. 171-182 ◽

Cited By ~ 2

Author(s):

Jana Packmor ◽

Kai Horst George

Keyword(s):

Habitat Heterogeneity ◽

East Coast ◽

Hot Spot ◽

Species Level ◽

South Coast ◽

Species Assemblages ◽

The South ◽

The North ◽

Sampling Locations ◽

The Family

The aim of the present investigation is a thorough inventory of the Harpacticoida (Copepoda) of the Portuguese islands Madeira and Porto Santo to provide a basis for comparisons of the harpacticoid faunas of successive elevations of the so called ‘Madeira Hot Spot Track’. Quantitative samples from 10 sampling locations at the coastlines of both islands were analysed (eight from Madeira and two from Porto Santo) and revealed a total of 27 families of Harpacticoida. Nine of the families were determined on species level comprising 43 species of which 31 were new to science. Comparisons of the family and species assemblages at the different Madeiran sampling locations indicate strong habitat heterogeneity as well as differences of the southern from all remaining locations. The sampling locations at the north and east coast are predominately characterized by interstitial taxa, those of the south coast by more robust burrowing or epibenthic taxa. Furthermore the two easternmost sampling locations of Madeira show clear similarity in terms of their harpacticoid assemblages with the sampling locations of Porto Santo. Eighty-eight per cent of the determined species of Porto Santo occur at the coast of Madeira as well (predominately at the easternmost sampling locations) indicating dispersal of Harpacticoida between both islands.

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Genomic and Metabolic Profiling of Nonulosonic Acids in Vibrionaceae Reveal Biochemical Phenotypes of Allelic Divergence in Vibrio vulnificus

Applied and Environmental Microbiology ◽

10.1128/aem.00712-11 ◽

2011 ◽

Vol 77 (16) ◽

pp. 5782-5793 ◽

Cited By ~ 15

Author(s):

Amanda L. Lewis ◽

Jean-Bernard Lubin ◽

Shilpa Argade ◽

Natasha Naidu ◽

Biswa Choudhury ◽

...

Keyword(s):

Vibrio Vulnificus ◽

Hot Spot ◽

Gene Clusters ◽

Human Pathogens ◽

Environmental Isolates ◽

Content Type ◽

The Family ◽

Domains Of Life ◽

Biochemical Analyses ◽

And Function

ABSTRACTNonulosonic acids (NulOs) encompass a large group of structurally diverse nine-carbon backbone α-keto sugars widely distributed among the three domains of life. Mammals express a specialized version of NulOs called sialic acids, which are displayed in prominent terminal positions of cell surface and secreted glycoconjugates. Within bacteria, the ability to synthesize NulOs has been demonstrated in a number of human pathogens and is phylogenetically widespread. Here we examine the distribution, diversity, evolution, and function of NulO biosynthesis pathways in members of the familyVibrionaceae. Among 27 species ofVibrionaceaeexamined at the genomic level, 12 species containednabgene clusters. We document examples of duplication, divergence, horizontal transfer, and recombination ofnabgene clusters in differentVibrionaceaelineages. Biochemical analyses, including mass spectrometry, confirmed that many species do, in fact, produce di-N-acetylated NulOs. A library of clinical and environmental isolates ofVibrio vulnificusserved as a model for further investigation ofnaballele genotypes and levels of NulO expression. The data show that lineage I isolates produce about 20-fold higher levels of NulOs than lineage II isolates. Moreover,nabgene alleles found in a subset ofV. vulnificusclinical isolates express 40-fold higher levels of NulOs thannaballeles associated with environmental isolates. Taken together, the data implicate the familyVibrionaceaeas a “hot spot” of NulO evolution and suggest that these molecules may have diverse roles in environmental persistence and/or animal virulence.

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Poeta, jego biografka i kontekst rodzinny biografii

Lehahayer ◽

10.12797/lh.04.2017.04.06 ◽

2018 ◽

Vol 4 ◽

pp. 233-250

Author(s):

Magdalena Bernacka

Keyword(s):

20Th Century ◽

Hot Spot ◽

Family Context ◽

Successful Attempt ◽

The Family ◽

The World ◽

History Of ◽

Karol Szymanowski ◽

Shed Light

The Poet, his Biographer and the Family Context of BiographyThe Barącz family is an Armenian family which originates from Mohylów Podolski (now: Mohyliv-Podilskyi) and which was associated with Lwów since the beginning of the 19th to the middle of the 20th century. Stanisław Barącz, a poet, along with his brothers: Tadeusz, a sculptor, and Roman, a surgeon, were one of the most talented representatives of this family. Blind since childhood, Barącz notonly managed to establish his family but also a literary and artistic salon which was an important hot spot on the cultural map of 20th-century Lwów. Most distinguished artists of the Young Poland period frequented this salon, including those who became famous in the world, such as Karol Szymanowski and Artur Rubinstein. The author also shed light on the history of the sons of the poet (Andrzej, Piotr and Franciszek) as well as Maria Łukasiewicz, a student of the Faculty of Polish Philology at the Jagiellonian University, whose background was also Armenian. In the years 1951-1952 she made a very successful attempt to remind the blind poet who was already forgotten at that time.

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Novel mutation in the COL11A1 gene causing Marshall-Stickler syndrome in three generations of a Bulgarian family

Balkan Journal of Medical Genetics ◽

10.2478/bjmg-2021-0001 ◽

2021 ◽

Vol 24 (1) ◽

pp. 95-98

Author(s):

M Mladenova ◽

T Todorov ◽

L Grozdanova ◽

V Mitev ◽

A Todorova

Keyword(s):

Splice Site ◽

Novel Mutation ◽

Hot Spot ◽

Clinical Manifestations ◽

Splice Site Mutation ◽

Saddle Nose ◽

Stickler Syndrome ◽

Site Mutation ◽

Three Generations ◽

The Family

Abstract Here we report the first familial case spread through at least three generations, genetically verified cases of Marshall-Stickler syndrome in Bulgaria. The proband, a 2-year-old girl, has craniofacial dysplasia, ocular hypertelorism, small saddle nose with a flat bridge and midface hypoplasia. The pedigree of the proband’s family showed that her father has the same clinical manifestations of the disease. In addition, her father presented with a tall, thin stature and mild hearing loss, manifested with aging. The same dysmorphological symptoms were presented by the paternal grandfather. Both patients, the 2-year-old girl and her father, have been diagnosed to carry Marshall-Stickler syndrome. The COL2A1 gene tested negative in the family. Based on the higher percentage of mutations in the COL2A1 gene, we analyzed this gene as the first target in the family. The COL2A1 gene tested negative, and we sequenced the gene further. A novel splice site mutation c.3474+1G>A was found in intron 44. This variant is related to the clinical presentation in the patient and her father. The c.3474+1G>A mutation results in altered splicing affects at the donor splice site of intron 44, which most probably gives a nonfunctional protein. The variant affects the major triple-helical domain that represents a mutation hot-spot for the gene.

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Status and Diversity of Terrestrial plants in Ghodaghodi Lake Complex, Nepal

International Journal of Applied Sciences and Biotechnology ◽

10.3126/ijasbt.v9i1.35084 ◽

2021 ◽

Vol 9 (1) ◽

pp. 38-44

Author(s):

Ramesh Bhandari ◽

Mahamad Sayab Miya ◽

Sachin Timilsina

Keyword(s):

Tree Species ◽

Hot Spot ◽

Terrestrial Plants ◽

Shrub Species ◽

The Family ◽

The Status ◽

Aerva Lanata ◽

The Right ◽

Important Value Index ◽

Herb Species

Among the Ramsar sites of Nepal, Ghodaghodi Lake Complex (GLC) is a biodiversity hot spot. This study was carried out to assess the status and diversity of terrestrial plants in GLC. Employing purposive sampling, altogether 38 plots were taken along the right hand side of the foot trails around the GLC. Collected data were analyzed using formulas and Important Value Index (IVI) was calculated. A total of 50 terrestrial species from 27 families were recorded, among which 35 were trees, 8 shrubs, and 7 herbs. Terminalia tomentosa (Saj) has highest IVI (46.53) among tree species. Similarly, Aerva lanata (Khari) has highest IVI (54.13) among herb species and Calotropis gigantea (Aank) has highest IVI (68.56) among the shrub species. The family Fabaceae family (n=7) represented the maximum numbers of plants species followed by Moraceae family. Int. J. Appl. Sci. Biotechnol. Vol 9(1): 38-44

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Diverse Horizontally-Acquired Gene Clusters Confer Sucrose Utilization to Different Lineages of the Marine Pathogen Photobacterium damselae subsp. damselae

Genes ◽

10.3390/genes11111244 ◽

2020 ◽

Vol 11 (11) ◽

pp. 1244

Author(s):

Saqr Abushattal ◽

Ana Vences ◽

Alba V. Barca ◽

Carlos R. Osorio

Keyword(s):

Comparative Genomics ◽

Horizontal Transfer ◽

Hot Spot ◽

Housekeeping Genes ◽

Gene Clusters ◽

Marine Animals ◽

The Family ◽

Photobacterium Damselae ◽

Comparative Genomics Analysis ◽

Sucrose Utilization

The ability to metabolize sucrose is a variable trait within the family Vibrionaceae. The marine bacterium Photobacterium damselae subsp. damselae (Pdd), pathogenic for marine animals and humans, is generally described as negative for sucrose utilization (Scr−). Previous studies have reported sucrose-utilizing isolates (Scr+), but the genetic basis of this variable phenotype remains uncharacterized. Here, we carried out the genome sequencing of five Scr+ and two Scr−Pdd isolates and conducted a comparative genomics analysis with sixteen additional Pdd genomes sequenced in previous studies. We identified two different versions of a four-gene cluster (scr cluster) exclusive of Scr+ isolates encoding a PTS system sucrose-specific IIBC component (scrA), a fructokinase (scrK), a sucrose-6-phosphate hydrolase (scrB), and a sucrose operon repressor (scrR). A scrA deletion mutant did not ferment sucrose and was impaired for growth with sucrose as carbon source. Comparative genomics analyses suggested that scr clusters were acquired by horizontal transfer by different lineages of Pdd and were inserted into a recombination hot-spot in the Pdd genome. The incongruence of phylogenies based on housekeeping genes and on scr genes revealed that phylogenetically diverse gene clusters for sucrose utilization have undergone extensive horizontal transfer among species of Vibrio and Photobacterium.

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