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Key to Heterodermia (Physciaceae, Teloschistales) in Brazil, with 15 new species 巴西异皮虫属(Physciaceae, Teloschistales)收录15新种
IF 1.4 4区 生物学 Q4 MYCOLOGY Pub Date : 2022-01-01 DOI: 10.1017/S0024282921000499
Maria Fernanda de Souza, A. Aptroot, A. Spielmann
Abstract The species of Heterodermia in Brazil have been revised based on literature reports, public databases and examination of 500 recent specimens from 15 states. So far, 43 species have been reported in the literature, two of which are not accepted here. We report 10 additional species from Brazil and describe 15 new to science, mostly from the Atlantic rainforest biome, raising the total number to 68, including two still undescribed species from Santa Catarina State. A key to all accepted species is given, keying out more species than represented in any previously published key of the genus. Based on new phylogenetic work, we do not accept the split genera that were recently proposed. We do informally recognize an additional group, the H. dactyliza-group. The following species are described as new: Heterodermia amphilacinulata M. F. N. Martins & M. P. Marcelli, H. caneziae M. F. Souza & Aptroot, H. delicatula M. P. Marcelli & M. F. N. Martins, H. dissecticodiademata M. F. Souza & Aptroot, H. dissecticoflabellata M. F. Souza & Aptroot, H. flavodactyliza M. F. Souza & Aptroot, H. flavulifera M. F. Souza & Aptroot, H. labiata M. P. Marcelli & M. F. N. Martins, H. macrosoraliata M. P. Marcelli & M. F. N. Martins, H. minor M. F. Souza & Aptroot, H. neocrocea M. F. Souza & Aptroot, H. nigromarginata M. F. Souza & Aptroot, H. phyllalbicans M. F. Souza & Aptroot, H. spielmannii M. F. Souza & Aptroot and H. sublinearis M. P. Marcelli & M. F. N. Martins. The following new combinations are also proposed: Heterodermia africana (Kurok.) M. F. Souza & Aptroot and H. borphyllidiata (Kalb & Meesim) M. F. Souza & Aptroot. Dissectic acid was found in species belonging to three different groups and was not restricted to (and characteristic of) one subgroup, as previously reported.
摘要根据文献报道、公共数据库和对来自15个州的500个最新标本的检查,对巴西异皮虫的种类进行了修订。到目前为止,文献中已经报道了43种,其中两种在这里不被接受。我们报告了来自巴西的另外10个物种,并描述了15个新的科学物种,主要来自大西洋雨林生物群落,总数增至68个,其中包括来自圣卡塔琳娜州的两个尚未描述的物种。给出了所有可接受物种的键,键出的物种比该属任何先前发表的键中所代表的物种都多。根据新的系统发育研究,我们不接受最近提出的分裂属。我们确实非正式地承认另外一个群体,H.dactyliza群体。以下物种被描述为新物种:异皮两栖动物M.F.N.Martins和M.P.Marcelli,H.canezie M.F.Souza和Aptrout,H.delicatula M.P.Marceli和M.F.N.马丁s,H.clavicodiademata M.F.Souza&Aptrout。Martins、H.macrosoraliata M.P.Marcelli和M.F.N.Martins、H.minor M.F.Souza和Aptrout、H.necrocea M.F.Souza和APtrout、H.nigromarginata M.F.Sousa和Aptroot、H.phyllawhites M.F.Souza和APtrot、H.spielmanini M.F.Souza和APtrooot以及H.sublineris M.P.Marceli和M.F.N.Martins。还提出了以下新的组合:非洲异皮虫(Kurok.)M.F.Souza&Aptrout和硼叶虫(Kalb&Meesim)M.F.Souta&Aptrooot。如前所述,在属于三个不同类群的物种中发现了间苯二酸,并且不局限于一个亚群(并且是一个亚组的特征)。
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引用次数: 5
A synopsis of the genus Arthothelium (Arthoniales) in Tasmania 塔斯马尼亚Arthotheum属(Arthoniales)简介
IF 1.4 4区 生物学 Q4 MYCOLOGY Pub Date : 2021-11-01 DOI: 10.1017/S0024282921000402
G. Kantvilas
Abstract The genus Arthothelium A. Massal. in Tasmania comprises ten species. Five of these are described as new: A. bacidinum Kantvilas, a saxicolous, littoral species with subglobose apothecia, non-macrocephalic ascospores, 25−40 × 11−19 μm, and containing the pigment Endoaurantiacum-gold which yields a K+ red reaction; A. insolitum Kantvilas, lichenicolous in rainforest and characterized by subglobose apothecia, very large, non-macrocephalic ascospores, 50−80 × 22−40 μm, and containing the pigment Interveniens-brown which reacts K+ olive green; A. macounioides Kantvilas, corticolous in wet forest and characterized by sessile, convex apothecia, macrocephalic ascospores, 29−42 × 11−18 μm, and containing the pigment Endoaurantiacum-gold; A. magenteum Kantvilas, a common wet forest epiphyte with applanate apothecia, non-macrocephalic ascospores, 25−55 × 11−22 μm, and containing a unique maroon-red, K+ pink pigment; and A. subtectum Kantvilas, a saxicolous species with convex apothecia, macrocephalic ascospores, 22−36 × 9−14 μm, and containing Endoaurantiacum-gold. The New Zealand species A. endoaurantiacum Makhija & Patw. and A. suffusum (C. Knight) Müll. Arg., and the Australian A. velatium Müll. Arg. are recorded for Tasmania for the first time. The names A. obtusulum (Nyl.) Müll. Arg., A. pellucidum (C. Knight) Müll. Arg. and A. polycarpum Müll. Arg. are considered synonyms of the widespread A. ampliatum (C. Knight & Mitten) Müll. Arg. Arthothelium ferax Müll. Arg. is a synonym of A. interveniens (Nyl.) Zahlbr. and A. subspectabile Vĕzda & Kantvilas is a synonym of A. suffusum. The sole record of A. macrothecum (Fée) A. Massal. from Tasmania is found to be based on a misidentification. A key to the species is provided. The importance of apothecial pigments, apothecial morphology and ascospore septation is discussed, and three pigments are characterized by their appearance in water and other standard media.
文章摘要Arthotheum A.Massal属。塔斯马尼亚岛有十个物种。其中五种被描述为新的:A.bacidinum Kantvilas,一种沙管藻属的沿海物种,具有近球形的末端古猿,非大头子囊孢子,25−40×11−19μm,含有产生K+红反应的内金色素;A.不溶性Kantvilas,热带雨林中的地衣,其特征是近球形的apothecia,非常大的非大头子囊孢子,50−80×22−40μm,含有与K+橄榄绿反应的色素Interveniens brown;A.macounioides Kantvilas,产于潮湿的森林中,皮质,特征为无柄、凸的无柄、大头子囊孢子,29−42×11−18μm,含有内金色素;A.magenteum Kantvilas是一种常见的湿林附生植物,具有扁平的顶端古猿,非大头子囊孢子,25−55×11−22μm,含有独特的褐红色、K+粉红色色素;和A.subtactum Kantvilas,一种具有凸顶古猿、大头子囊孢子、22−36×9−14μm的萨克斯管属物种,含有内金。新西兰种A.endoraranticum Makhija和Patw。和A.sufusum(C.Knight)Müll。Arg。,以及澳大利亚的A.velatium Müll。Arg。首次为塔斯马尼亚州记录。名称A.obtusulum(Nyl.)Müll。Arg。,A.透明(C.奈特)Müll。Arg。和A.polycarpum Müll。Arg。被认为是广泛分布的A.ampiatum(C.Knight&Mitten)Müll的同义词。Arg。Arthotheye ferax Müll。Arg。是a.interventiens(Nyl.)Zahlbr的同义词。而A.subspectabile Vĕzda和Kantvilas是A.suffusum的同义词。A.macrothecum(Fée)A.Massal的唯一记录。来自塔斯马尼亚的被发现是基于误认。提供了该物种的钥匙。讨论了顶端色素、顶端形态和子囊孢子分离的重要性,并对这三种色素在水中和其他标准介质中的外观进行了表征。
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引用次数: 1
Factors at multiple scales influence the composition of terricolous lichen communities in temperate semi-arid sandy grasslands 多尺度因素对温带半干旱沙质草原陆生地衣群落组成的影响
IF 1.4 4区 生物学 Q4 MYCOLOGY Pub Date : 2021-11-01 DOI: 10.1017/S0024282921000360
K. Veres, Z. Csintalan, B. Kovács, E. Farkas
Abstract Inland dune ecosystems are rich in terricolous lichen species. However, these communities are sensitive to human activities, both locally and globally. Since terricolous lichens have a dominant role in semi-arid sandy grasslands, it is important to explore the composition of their communities and the environmental factors affecting them. We studied the structure of the terricolous lichen assemblages of calcareous grassland in an inland duneland ecosystem by comparing the lichen communities of arid and humid dune sides on two sites with different disturbance histories. Microcoenological data were collected according to the Braun-Blanquet method. Environmental variables include the cover of bare soil, moss, litter, herb cover and height of herbs. We investigated the relationship of these variables and the presence and absence data of terricolous lichen species to sites and dune side. We found that the site had a significant effect on species richness that might reflect the different types and severity of previous disturbance events at the studied sites. On a smaller, ‘dune’ scale, in general lower herb cover and height and a higher moss cover were characteristic of arid dune sides. Most of the frequent species were negatively affected by higher moss cover. Some lichen species were more abundant (e.g. Cladonia furcata) or found only (e.g. Xanthoparmelia subdiffluens, Gyalolechia fulgens) on arid dune sides, while others preferred (e.g. C. pyxidata) or occurred only on (e.g. Peltigera species, C. rei) humid sides. It was observed that the impact of the dune side on several variables differed between sites. The diverse microhabitat types, microclimate and landscape structure, results in species-rich and valuable terricolous lichen communities forming in inland dune ecosystems.
内陆沙丘生态系统是丰富的陆生地衣物种。然而,这些社区对当地和全球的人类活动都很敏感。由于陆生地衣在半干旱沙质草地中占有主导地位,因此研究其群落组成及其影响因素具有重要意义。通过对不同扰动历史条件下干旱和湿润沙丘两侧地衣群落的比较,研究了内陆沙丘生态系统钙质草地陆生地衣群落结构。采用布朗-布兰凯法采集微群落资料。环境变量包括裸土盖度、苔藓盖度、凋落物盖度、草本盖度和草本高度。我们研究了这些变量和陆生地衣物种的存在与缺失与地点和沙丘侧的关系。研究发现,地点对物种丰富度有显著影响,这可能反映了研究地点以往干扰事件的不同类型和严重程度。在较小的“沙丘”尺度上,干旱沙丘两侧的植被覆盖度和高度通常较低,苔藓覆盖度较高。较高的苔藓覆盖对大多数常住物种有负面影响。一些地衣种类在干旱的沙丘两侧更为丰富(如Cladonia furcata)或只发现(如Xanthoparmelia subdiffluens, Gyalolechia fulgens),而其他地衣种类则更倾向于(如C. pyxidata)或只发生在潮湿的沙丘两侧(如Peltigera种,C. rei)。观察到沙丘侧对若干变量的影响在不同地点有所不同。内陆沙丘生态系统中多样的微生境类型、微气候和景观结构,形成了丰富的物种和有价值的陆生地衣群落。
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引用次数: 3
LIC volume 53 issue 6 Cover and Back matter LIC第53卷第6期封面和封底
IF 1.4 4区 生物学 Q4 MYCOLOGY Pub Date : 2021-11-01 DOI: 10.1017/s0024282921000438
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引用次数: 0
Ramalina arsenii, an additional new species in the R. pollinaria group in Western Europe 砷花介(Ramalina arseni),西欧粉藻群中的一个新物种
IF 1.4 4区 生物学 Q4 MYCOLOGY Pub Date : 2021-11-01 DOI: 10.1017/S0024282921000372
E. Sérusiaux, P. V. D. van den Boom, N. Magain
Abstract Ramalina arsenii sp. nov. belongs to the R. pollinaria group and is easily recognized by its ITS barcode and several micro-morphological characters that are diagnostic in a European context: small size, less than 3 cm long; soralia developing on the underside of lobe apices; absence of excavate depressions on the lower side. Its ecological niche (i.e. rock outcrops and especially underhangs of slightly calcareous rocks, at low and mid altitudes) is also unique. Ramalina arsenii is frequent and locally abundant in France (Alps, Cantal) and Switzerland (western Alps), and is also known from Germany and the Spanish side of the Pyrenees.
摘要:Ramalina arseni sp.nov.属于R.pollinaria类群,通过其its条形码和几个在欧洲背景下可诊断的微观形态特征很容易识别:体积小,长度小于3厘米;在裂片顶端的下侧发育的花柱;下侧没有开挖凹陷。它的生态位(即岩石露头,尤其是低海拔和中海拔的轻微石灰质岩石的露头)也是独特的。阿氏Ramalina arseni在法国(阿尔卑斯山、坎塔尔)和瑞士(西阿尔卑斯山)很常见,在当地也很丰富,在德国和比利牛斯山脉的西班牙一侧也很有名。
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引用次数: 1
Characterization of simple sequence repeat loci for Peltigera membranacea (lichenized Ascomycota) and its Nostoc photobiont 膜菌Peltigera membranacea(地衣化子囊菌门)及其Nostoc光生物的简单序列重复基因座的鉴定
IF 1.4 4区 生物学 Q4 MYCOLOGY Pub Date : 2021-11-01 DOI: 10.1017/S0024282921000384
S. Werth, Stefán Þór Pálsson, Ó. Andrésson
Abstract To facilitate population-genetic studies, we developed simple sequence repeat (SSR) markers and a molecular species identification assay for Peltigera membranacea (Ascomycota, Peltigerales), a common ground-dwelling lichen of forest and tundra ecosystems. Additional markers were developed for its Nostoc photobiont. Twenty-one fungal markers for P. membranacea were found to be polymorphic, with the number of alleles ranging from 3–21. Nei's unbiased gene diversity ranged from 0.588 to 0.640 in four significantly structured (FST = 0.059) mycobiont populations. For the Nostoc photobiont, 14 polymorphic SSR were developed, yielding 4–14 alleles each, with gene diversity ranging from 0.062 to 0.771 in four populations showing substantial population structure (FST = 0.278). The new markers developed are suitable for population genetic studies of Peltigera membranacea and of its cyanobiont, and at the same time allowed us to distinguish 98.5% of P. membranacea specimens from morphologically similar species of Peltigera.
摘要为了便于群体遗传学研究,对森林和苔原生态系统中常见的陆生地衣Peltigera membranacea (Ascomycota, Peltigerales)建立了简单序列重复(SSR)标记和分子物种鉴定方法。对其Nostoc光生成物进行了附加标记。共有21个真菌标记存在多态性,等位基因数量在3 ~ 21个之间。4个显著结构菌群(FST = 0.059)的Nei无偏基因多样性范围为0.588 ~ 0.640。在4个群体中,发现了14个多态SSR,每个群体产生4 ~ 14个等位基因,基因多样性范围为0.062 ~ 0.771,群体结构稳定(FST = 0.278)。所建立的新标记适用于膜藻及其蓝藻的群体遗传研究,同时使我们能够将98.5%的膜藻标本与形态相似的膜藻物种区分开来。
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引用次数: 1
Multilocus-phylogeny of the lichen-forming genus Bacidia s. str. (Ramalinaceae, Lecanorales) with special emphasis on the Russian Far East 地衣形成属芽孢杆菌的多室系统发育,特别强调在俄罗斯远东地区
IF 1.4 4区 生物学 Q4 MYCOLOGY Pub Date : 2021-11-01 DOI: 10.1017/S0024282921000396
J. Gerasimova, A. K. Ezhkin, E. Davydov, A. Beck
Abstract To clarify deep relationships among species lineages within Bacidia s. str., and to investigate the robustness of the deeper branches, we combined data from three traditionally used RNA-coding genes (nrITS, nrLSU and mtSSU) with two protein-coding genes (RPB1 and RPB2). The multigene phylogeny contained 48 newly generated sequences from the Russian Far East and all Bacidia s. str. sequences from GenBank (131 sequences). We subjected the alignments for the single and concatenated data sets to Bayesian inference (BI) and two maximum likelihood (ML) analyses (RAxML and IQ-TREE). The topologies of phylogenetic trees recovered from BI and ML analyses were highly concordant. The multilocus phylogeny of Bacidia s. str. was congruent with previous results based on nrITS sequences from the Russian Far East but with considerably higher support values for most of the deeper branches. A correlation between the recovered clades and apothecial pigments in the upper part of the hymenium and lateral exciple was observed. Based on morphological and molecular evidence, Bacidia obtecta is described as new to science. It was recovered as the sister lineage of B. elongata. The two species are alike in having up to four enlarged lumina cells along the exciple edge, but B. obtecta differs in the abundant crystals found in the upper hymenium and lateral exciple, and by having spores with fewer septa.
为了阐明芽孢杆菌(Bacidia s.str .)种系之间的深层关系,并研究其深层分支的稳健性,我们将三个传统的rna编码基因(nrITS、nrLSU和mtSSU)与两个蛋白质编码基因(RPB1和RPB2)的数据结合起来。多基因系统发育包括48个来自俄罗斯远东地区的新生成序列和131个来自GenBank的Bacidia s. str.序列。我们将单个和串联数据集的比对进行贝叶斯推理(BI)和两个最大似然(ML)分析(RAxML和IQ-TREE)。从BI和ML分析中恢复的系统发育树拓扑结构高度一致。Bacidia s. str.的多位点系统发育与先前基于俄罗斯远东地区nrITS序列的结果一致,但对大多数较深分支具有较高的支持值。发现的枝与胎膜上部和外侧鞘鞘色素之间存在相关性。基于形态学和分子证据,黑芽孢杆菌被描述为科学上的新物种。它被发现是B. elongata的姐妹系。这两个物种的相似之处在于,沿胚轴边缘有多达四个增大的腔细胞,但B. obtecta的不同之处在于,在胚轴上部和侧胚轴中发现了丰富的晶体,并且孢子的间隔较少。
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引用次数: 2
LIC volume 53 issue 6 Cover and Front matter LIC第53卷第6期封面和封面
IF 1.4 4区 生物学 Q4 MYCOLOGY Pub Date : 2021-11-01 DOI: 10.1017/s0024282921000426
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引用次数: 0
Líquenes do Porto Santo By J Campinho. 2021. Published by Imprensa Academia, Porto Santo, Madeira, Portugal. Pp. 150. 150 × 200 × 10 mm. ISBN 978-989-9062-07-8. Soft cover. €16.65. [In Portuguese] Líquenes do Porto Santo,J Campinho著。2021.葡萄牙马德拉圣港Imprensa Academia出版。第150页。150×200×10毫米。ISBN 978-989-9062-07-8。软覆盖。16.65欧元。[葡萄牙语]
IF 1.4 4区 生物学 Q4 MYCOLOGY Pub Date : 2021-11-01 DOI: 10.1017/S0024282921000414
A. Aptroot
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引用次数: 0
Lichen algae: the photosynthetic partners in lichen symbioses 地衣藻类:地衣共生中的光合伙伴
IF 1.4 4区 生物学 Q4 MYCOLOGY Pub Date : 2021-09-01 DOI: 10.1017/S0024282921000335
W. Sanders, H. Masumoto
Abstract A review of algal (including cyanobacterial) symbionts associated with lichen-forming fungi is presented. General aspects of their biology relevant to lichen symbioses are summarized. The genera of algae currently believed to include lichen symbionts are outlined; approximately 50 can be recognized at present. References reporting algal taxa in lichen symbiosis are tabulated, with emphasis on those published since the 1988 review by Tschermak-Woess, and particularly those providing molecular evidence for their identifications. This review is dedicated in honour of Austrian phycologist Elisabeth Tschermak-Woess (1917–2001), for her numerous and significant contributions to our knowledge of lichen algae (some published under the names Elisabeth Tschermak and Liesl Tschermak).
摘要综述了与地衣形成真菌相关的藻类(包括蓝藻)共生体。概述了它们与地衣共生体相关的生物学的一般方面。概述了目前被认为包括地衣共生体的藻类属;目前可以识别大约50个。表中列出了报告地衣共生中藻类分类群的参考文献,重点是自Tschermak Woess 1988年综述以来发表的那些文献,特别是那些为其鉴定提供分子证据的文献。这篇综述是为了纪念奥地利藻类生态学家Elisabeth Tschermak Woess(1917–2001),她对我们了解地衣藻类做出了许多重大贡献(其中一些以ElisabethTschermac和Liesl Tscherma克的名字发表)。
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引用次数: 28
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