PDF《Index焖ungorum爊o.?34》

Index?Fungorum?no.

?34 Effectively?published?18/12/2013?18:10:22??(ISSN?2049-2375) Nomenclatural?novelties?:?Amy?M.?Grooters,?Christoffel?F.J.?Spies,?Chi-yu?Chen,?Sally?L.?Glockling,?C.?André?Lévesque?&?Arthur W.A.M.?de?Cock Lagenidium deciduum?Chi?Y.?Chen,?Grooters,?Spies,?de?Cock,?Lévesque,?in?Grooters,?Spies,?Chen,?Glockling,?Lévesque,?de Cock,?sp.nov. ????IF550276 Colonies?on?V8?agar?radiate,?with?sparse?aerial?mycelium.?Hyphae?hyaline,?4C25??m?wide,?strongly?constricted?at?the?septa, sometimes?disarticulated?into?cylindrical?segments?of?25C350??m?long?and?10C25??m?wide.?Whole?segments?converted?into sporangia,?catenulate,?straight?to?sinuately?cylindrical,?occasionally?with?lateral?protrusions?and?branches,?detached?individually?or in?chains?of?contiguous?sporangia.?Exit?tubes?arising?from?sides?or?ends?of?simple?or?branched?sporangium,?vesicles?40C50??m?in diam.,?each?containing?25-35?zoospores.?Zoospores?biflagellate,?reniform,?9C10?*?7.5C8??m. ????Holotype?CBS?127042?(cryopreserved). ITS?(HQ111455)?and?Cox1?(KF913683)?sequences?deposited?at?GenBank Etymology:?in?reference?to?deciduous?sporangia Lagenidium giganteum f. caninum?Grooters,?Spies,?de?Cock,?Lévesque,?in?Grooters,?Spies,?Chen,?Glockling,?Lévesque,?de Cock,?f.nov. ????IF550275 Colonies?submerged,?no?distinct?pattern?or?an?irregular,?featherlike?pattern?with?short?aerial?mycelium.?Thallus?filamentous, mycelioid,?septate,?unconstricted?or?slightly?constricted?at?septa,?becoming?segmented?with?age.?Size?of?segments?depending?on growth?medium,?diam.?ranging?from?10?to?60??m?on?most?media.?Segments?smooth,?elongate,?cylindrical?or?elongate,?very irregular?with?branches?and?swellings,?length?50C370??m,?occasionally?nearly?globose?with?a?diam.?up?to?60??m.?Whole?segments in?water?functioning?as?sporangia,?developing?a?slender?discharge?tube,?2C7??m?wide,?10-370??m?long. ????Holotype?CBS?136884?(cryopreserved). ITS?sequence?(KF915305)?and?Cox1?sequence?(KF923746)?deposited?at?GenBank.?Previously?known?informally?as?L.?caninum (Grooters,?Proceedings,?25th?Annual?American?College?of?Veterinary?Internal?Medicine?Forum,?2007),?and?Lagenidium?sp. (Grooters?et?al,?J?Vet?Intern?Med?17:?637-646,?2003) Etymology:?originally?isolated?from?canine?tissue Paralagenidium?Grooters,?Spies,?de?Cock,?Lévesque,?in?Grooters,?Spies,?Chen,?Glockling,?Lévesque,?de?Cock,?gen.nov. ????IF550277 Vegetative?thallus?morphologically?similar?to?Lagenidium.?With?a?Cox1?protein?sequence?that?differs?from?the?most?closely?related genera?by?having?the?following?amino?acids?(position?numbers?relative?to?the?Cox1?protein?sequence?for?Pythium?ultimum, GenBank?YP_003734847):?27(Ile),?28(Leu),?35(Met),?55(Val),?95(Leu),?119(Ile),?122(Leu)?and?182(Ile). ????Holotype:?Paralagenidium karlingii?Grooters,?Spies,?de?Cock,?Lévesque?2013. Paralagenidium karlingii?Grooters,?Spies,?de?Cock,?Lévesque,?in?Grooters,?Spies,?Chen,?Glockling,?Lévesque,?de?Cock,?sp.nov. ????IF550278 Thallus?filamentous,?mycelioid,?moderately?branched,?septate,?strongly?constricted?at?septa,?soon?becoming?segmented?and disarticulating?on?agar,?diam.?depending?on?the?growth?medium:?ranging?from?10-15??m?on?PCA?and?up?to?60??m?on?CMA. Segments?smooth,?elongate,?cylindrical,?occasionally?with?one?side?branch,?occasionally?short,?ellipsoid?to?somewhat?elongate, irregular,?length?50-800??m?or?longer.?Oogonia?and?antheridia?not?observed. ????Holotype?CBS?134681?(cryopreserved). ITS?(KF915306)?and?Cox1?(KF767500)?sequences?deposited?at?GenBank.?Previously?known?informally?as?Lagenidium?karlingii (Grooters,?Proceedings,?25th?Annual?American?College?of?Veterinary?Internal?Medicine?Forum,?2007). Etymology:?in?recognition?of?the?contributions?of?JS?Karling?to?the?initial?descriptions?of?species?in?the?genus?Lagenidium 1