Skip to main content

Talaromyces disparis, Talaromyces funiformis and Talaromyces jianfengicus from soil established in sect. Tal.

Talaromyces disparis, Talaromyces funiformis and Talaromyces jianfengicus from soil established in sect. Tal.

NEWS - Talaromyces disparis (ex-type AS3.26221), Talaromyces funiformis (ex-type AS3.26220) and Talaromyces jianfengicus (ex-type AS3.26253) isolated from soil were established as three new species in sect. Talaromyces based on morphological characters and phylogenetic analysis of BenA, CaM, Rpb2 and ITS sequences.

Talaromyces species play important roles in nutrient cycling in natural ecosystems, plant biomass degradation in industry and implications in medicine. However, the diversity of this genus is far from being fully understood. The genus is currently divided into 8 sections (Bacillispori, Helici, Islandici, Purpurei, Subinflati, Talaromyces, Tenues and Trachyspermi).

In a survey of Talaromyces in China, researchers found five typical Talaromyces strains and proposed three new species represented by these strains included in sect. Talaromyces, which now includes about 90 species, is the largest section within Talaromyces and generally grows rapidly to clumps with a diameter of more than 30 mm on MEA.

The species in this section are usually phylogenetically distant, but some closely related taxa form species complexes and members of these species complexes are not easily distinguished from each other using morphology, especially micromorphology.

The researchers used a polyphasic taxonomy that combines morphological and phylogenetic characters to establish a new species based on a single strain, because this species is phylogenetically unique and morphologically clearly distinguishable from other species. The proposed three species were also confirmed by phylogenetic analysis of the BenA-CaM-Rpb2, BenA-CaM-ITS concatenations and the BenA, CaM, Rpb2, and ITS sequence matrices individually.

T. disparis is nicknamed on penicillins in various patterns and conidia of various shapes and dimensions. The taxon is characterized by low growth, velvety texture and limited to moderate sporulation. Penicillates are biverticulate, monoverticulate, irregular and have polymorphic smooth-walled conidia with some abnormally large round conidia.

T. disparis is a unique species with no close relatives in Talaromyces based on phylogenetic analysis and no bootstrap support provided, although it is in a clade with T. intermedius, T. viridis and T. panamensis in the BenA-CaM-Rpb2 phylogram

T. funiformis is named for its funiculose appearance on CYA, MEA and YES. This taxon is included in the T. pinophilus complex. The species produces mycelial funicules on CYA, MEA and YES. Sporulation is rare on Cz, CYA, MEA and YES but abundant on OA. Growth rate is low at 37°C. Penicillates are biverticulate and conida are round to pyriform with smooth to rough walls.

T. jianfengicus is given its specific epithet in reference to the location where the ex-type strain was isolated. This species belongs to the T. verruculosus complex which includes T. johnpittii, T. stellenboschiensis, T. yunnanensis, and T. verruculosus. These members generally grow moderately to rapidly on MEA, YES, and OA.

T. jianfengicus is characterized by velvety colony texture with moderately to abundant elm green conidia and green-yellow mycelium, biverticulate penicillata, ampulliform phialids, and spherical conidia with verrucous walls.

Original research

Ren X, Li S, Ruan Y, Wang L. 2024. Three new species of Talaromyces sect. Talaromyces discovered in China. PeerJ 12:e18253, DOI:10.7717/peerj.18253

Dlium theDlium
Labels:

Popular Posts

Cockspur coral tree (Erythrina crista-galli)

Velvet coral tree or cockspur coral tree ( Erythrina crista-galli ) is a species of plant in the Fabaceae family. It is a small tree, 5-8 meters tall, with a trunk circumference of about 50 cm, irregular branches, light wood, and fissured, soft, and light brown bark. The taproot is white. The leaves are ovate, with three strands, dark green and glossy on the upper surface, and pale green on the underside. The central lobe is up to 17 cm long and up to 11 cm wide. The left and right lobes are up to 15 cm long and up to 10 cm wide. The flowers are red, arranged in racemes, at the apex, pentameric, complete, and bilaterally symmetrical. The flowers are up to 6 cm long and 4 cm wide. The pods are long, containing about 8 seeds, green when young and turning brown as they mature. The seeds are ovate, flat, and brown. It grows well in lowlands up to an elevation of 1,500 meters, with an annual rainfall of 800-1,500 mm/year, and a temperature of 20-32°C. It thrives in well-drained soils, but...
Read more

Serrated pimpernel (Lindernia glandulifera)

Serrated pimpernel ( Lindernia glandulifera ) is a species of plant in the Linderniaceae family, erect, 8-9 cm long.and white roots. The stems are cylindrical or angular or curved inward. The stems green or dark red or reddish brown. The leaves are opposite, green or dark red or brown, oval or oblong, up to 3 cm long, up to 1 cm wide and serrated margins. The flowers are white and blue, 0.6-0.7 cm wide. This plant grows in colonies in karst areas, clay soils, and areas that are sometimes flooded. TAXON Kingdom: Plantae Phylum: Tracheophyta Subphylum: Angiospermae Class: Magnoliopsida Order: Lamiales Family: Linderniaceae Genus: Lindernia All. in Auct. Syn. Meth. Stirp. Hort. Regii Taur. 3: 178 (1766) Species: Lindernia glandulifera (Blume) Backer in Onkruidfl. Jav. Suikerrietgr.: 616 (1930) VERNACULAR NAME English: Serrated pimpernel Indonesia: Tapak gergaji Java: Tapak graji Aryo Bandoro Dlium TheDlium Web: https://www.dlium.com YouTube: https://www.youtube.com/@Dlium
Read more

Porang (Amorphophallus muelleri)

Porang or iles-iles ( Amorphophallus muelleri ) is a plant species in Araceae, the petiole is a pseudo stem with a height of 40-180 cm, 1-5 cm in diameter, round, green or purple with irregular white spots, each branching point grows brown bulbil and yellow bulb. A. muelleri has all leaves or stems or stems that are light green to dark green or gray and has greenish-white patches, smooth or smooth surface. The leaves are elliptical in shape with pointed leaf tips, smooth and wavy surface. When flushing has 3, 4-5, 5-6 and finally 6 minor leaves branching with 3 minor petioles. Young leaves have light purple or green edges and will end in yellow and 0.3-0.5 mm wide. The whole canopy is 50-150 cm wide. The stems grow above the tubers with a diameter of 25-50 mm and a height of 75-175 cm. Tubers have a brownish yellow or gray color on the outer surface and brownish yellow on the inside, are slightly oval in shape, fibrous roots, weigh 450-3350 grams, smooth tissue, 4-5 months of dormanc...
Read more