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# 12 - the latest mycological papers from Google Scholar

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20150723-1

Description of Martiniozyma gen. nov. and transfer of seven Candida species to

Saturnispora as new combinations

CP Kurtzman - Antonie van Leeuwenhoek, 2015 - Springer

2015/07/23

DNA sequence analysis has shown Candida abiesophila (NRRL Y-11514T, CBS 5366T) and Candida asiatica (NRRL Y-63747T, CBS 10863T)

to be members of a small clade that is phylogenetically separate from other yeasts. In view of their isolation from neighboring genera, such

as Pichia and Saturnispora, the two anamorphic species are proposed for transfer to Martiniozyma gen. nov. (MycoBank MB 812061) with

Martiniozyma abiesophila designated as type species (MycoBank MB 812062). In keeping with the International Code of Nomenclature for

algae, fungi, and plants, which specifies that related anamorphic and teleomorphic species can be assigned to the same genus, the following

Candida species are transferred to Saturnispora to conform with their phylogenetic placement: Candida diversa (NRRL Y-5713T), Candida

halmiae (CBS 11009T), Candida sanitii (CBS 10864T), Candida sekii (CBS 10931T), Candida siamensis (CBS 11022T), Candida silvae (NRRL

Y-6725T) and Candida suwanaritii (CBS 11021T).

MartiniozymaCandida7Saturnispora

http://link.springer.com/article/10.1007/s10482-015-0536-x

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D AlertCreated byAtsushi Nakajima (@Ats_Nakajima) CC BY 4.0

# 12 - the latest mycological papers from Google Scholar

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20150723-2

The Trametes hirsuta 072 laccase multigene family: genes identification and

transcriptional analysis under copper ions induction

DV Vasina, ON Mustafaev, KV Moiseenko - Biochimie, 2015 - Elsevier

/modeling, /laccase,

/lignin, /hybridization

2015/07/23

Abstract Laccases, blue copper-containing oxidases, an play an important role in a variety of natural processes. The majority of fungal

laccases are encoded by multigene families that express closely related proteins with distinct functions. Currently, only the properties of

major gene products of the fungal laccase families have been described. Our study is focused on identification and characterization of

laccase genes, which are transcribed in basidiomycete Trametes hirsuta 072, an efficient lignin degrader, in a liquid medium, both without

and with induction of laccase transcription by copper ions. We carried out production of cDNA libraries from total fungal RNA, followed by

suppression subtractive hybridization and mirror orientation selection procedures, and then used Next Generation Sequencing to identify low

abundance and differentially expressed laccase transcripts. This approach resulted in description of five laccase genes of the fungal family,

which, according to the phylogenetic analysis, belong to distinct clusters within the Trametes genus. Further analysis established similarity

of physical, chemical, and catalytic properties between laccases inside each cluster. Structural modeling suggested importance of the

sequence differences in the clusters for laccase substrate specificity and catalytic efficiency. The implications of the laccase variations for the

fungal physiology are discussed.

Trametes hirsuta 072

http://www.sciencedirect.com/science/article/pii/S0300908415002230

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D AlertCreated byAtsushi Nakajima (@Ats_Nakajima) CC BY 4.0

# 12 - the latest mycological papers from Google Scholar

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20150723-3

A Comprehensive Protocol for Improving the Description of Saprolegniales

(Oomycota): Two Practical Examples (Saprolegnia aenigmatica sp. nov. and

Saprolegnia racemosa sp. nov.)

JV Sandoval-Sierra, J Diguez-Uribeondo - PLOS ONE, 2015 - dx.plos.org

/new species

2015/07/23

Abstract The description, identification and classification of organisms are the pillar in biodiversity and evolutionary studies. The fungal-like

organism Saprolegnia contains important animal pathogens. However, its taxonomy is weak, making it difficult to perform further studies.

This problem mainly arises from the unavailability of suitable holotypes. We propose a standardized protocol for describing Saprolegnia spp.

that includes good cultural practices and proper holotype preservation. In order to illustrate this new proposal, we describe two species,

Saprolegnia aenigmatica sp. nov. and Saprolegnia racemosa sp. nov., based on the recently described molecular operational taxonomic

units (MOTUs), phylogenetic relationships, and the analyses of morphological features. We show that they belong to two different MOTUs

that are grouped into two sister clades. Morphologically, we find that S. racemosa exhibits a species-specific character, i.e., aggrupation of

oogonia in racemes, while S. aenigmatica does not have any specific characters. Analyses of a combined set of characters, i.e., length and

breadth of sporangia, length/breadth ratio (l/b) of oogonia, cyst and oospore diameter, and the number of oospores per oogomium, allow

distinguishing these two species. To improve Saprolegnia taxonomy, we propose to incorporate into the protologue: (i) several isolates of

the new species; (ii) the rDNA sequences to compare them to data-bases of Saprolegnia sequences of reference; (iii) a phylogenetic

analysis to check relationships with other species; (iv) to preserve holotypes in absolute ethanol and to include lyophilized material from

holotype; and (v) the ex-type as a pure culture from single-spore isolates stored in at least two different collections.

2Saprolegnia aenigmatica

Saprolegnia aenigmatica

http://dx.plos.org/10.1371/journal.pone.0132999

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D AlertCreated byAtsushi Nakajima (@Ats_Nakajima) CC BY 4.0

# 12 - the latest mycological papers from Google Scholar

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20150723-4

A new species of Scytinopogon from the island of Prncipe, Republic of So Tom and

Prncipe, West Africa

DE Desjardin, BA Perry - 2015 - mycosphere.org

/new species, /forest,

/SEM

2015/07/23

Scytinopogon havencampii is described as new from material collected from a non-ectotrophic forest on the West African island of Prncipe.

Diagnostic features include brown, non-flattened branches with white tips, small, white, ellipsoid, coarsely echinate basidiospores, 2-spored

basidia, non-inflated hyphae, and brittle basidiomes that dry grayish white. Phylogenetic analyses of nLSU sequence data confirm placement

of this new taxon within the Trechisporales. A comprehensive description, photograph of basidiome, SEM of basidiospores, DNA sequences,

and comparisons with phenetically similar taxa are provided.

Scytinopogon

http://www.mycosphere.org/pdfs/Mycosphere_6_4_5.pdf

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Daikinrin Daily Document Alert

D AlertCreated byAtsushi Nakajima (@Ats_Nakajima) CC BY 4.0

# 12 - the latest mycological papers from Google Scholar

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20150723-9

Mapping of gene conferring adult-plant resistance to stripe rust in Chinese wheat

landrace Baidatou

D Ma, Q Li, M Tang, K Chao, J Li, B Wang, J Jing - Molecular Breeding - Springer

/China, /Chinese, /Gansu,

/Shaanxi

2015/07/23

Stripe rust, caused by Puccinia striiformis f. sp. tritici (Pst), is a destructive foliar disease of wheat worldwide. Sustainable control of the

disease is preferably achieved by deploying stripe rust resistance genes in wheat cultivars. Our previous studies have shown that Baidatou,

a Chinese wheat landrace, displayed good adult-plant resistance (APR) to wheat stripe rust in Gansu Province, an epidemic region for stripe

rust in China. To elucidate the genetic basis of APR to stripe rust in Baidatou, a cross between Baidatou and Mingxian 169, which is

susceptible to all the known Chinese (Pst) races, was performed. Adult plants of F1, F2 and F2:3 generations derived from the cross

Mingxian 169/Baidatou were inoculated in the field with the most prevalent Chinese Pst race, CYR33, in Yangling, Shaanxi Province, during

20092010 and 20102011 crop seasons, respectively. The results showed that the resistance of Baidatou to stripe rust was conferred by a

single dominant gene. Six hundred and sixty simple sequence repeat (SSR) markers and 128 sequence-related amplified polymorphism

(SRAP) markers were screened for association with the resistance gene to stripe rust using bulked segregant analysis. Four polymorphic SSR

markers and two SRAP markers were identified to be linked to the resistance gene. A linkage map was constructed with six molecular

markers and the resistance gene. The genetic distance of two flanking SSR markers to the resistance gene, temporarily designated YrBai,

was 3.6 and 5.4 cM, respectively. Based on the position of the SSR markers on the wheat chromosome, YrBai was located on chromosome

6DS. According to the rust reaction patterns, SSR marker allele analysis and the pedigree of the Yr genes on chromosome 6D, YrBai is likely

to be a novel APR gene against stripe rust. The specificity of the two flanking markers of YrBai was validated in 99 wheat germplasms. The

http://link.springer.com/article/10.1007/s11032-015-0244-2

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