ࡱ> MPL<bjbj΀ .BzZ Z , (\^^^^^^$ K#^Q\\Pd H0#~##D~#Z c:Usmeno izlaganje POPULACIJSKA STRUKTURA GLJIVE MJE`INARKE Cryphonectria parasitica U HRVATSKOJ I SLOVENIJI Marin Je~i1, Ljiljana Krstin2, Daniel Rigling3 & Mirna urkovi-Perica1 1Botani ki zavod, Prirodoslovno-matemati ki fakultet, Sveu iliate u Zagrebu, Maruliev trg 9a, 10000 Zagreb, Hrvatska E-mail:  HYPERLINK "mailto:mirna@botanic.hr"mirna@botanic.hr 2Odjel za biologiju, Sveu iliate J. J. Strossmayera u Osijeku, Trg Lj. Gaja 6, 31000 Osijek, Hrvatska 3Swiss Federal Research Institute, CH 8903 Birmensdorf, Switzerland Gljiva mjeainarka Cryphonectria parasitica (Murrill) Barr. agresivan je pathogen koji parazitira na pitomom kestenu Castane sativa Mill. i uzrokuje velike ekonomske atete. Kako bi se dobio bolji uvid u populacijsku strukturu etiriju Hrvatskih i pet Slovenskih populacija gljive, provedena je genotipizacija 180 uzoraka analizom 11 SCAR lokusa (sequence characterized amplified regions). Uzvodne po etnice su bile obilje~ene fluorescencijskim probama i umno~eni dijelovi DNA, dobiveni lan anom reakcijom polimerazom (PCR), detektirani DNA Analyzer servisom (Macrogen, Seoul, Koreja). Od 11 istra~enih lokusa, pet do osam je bilo polimorfno u raznim populacijama, dok su u populaciji iz Po~ege pronaena dva nova alela, vjerojatno nastala spontanom mutacijom. U devet testiranih populacija pronaeno je ukupno 66 razli itih SCAR haplotipova patogene gljive, ato se odrazilo i na Shannonov index raznolikosti koji se kretao od 1,54 u populaciji Ostrovica do 2,97 u populaciji Hrvatske Kostajnice. Ujedna enost (evenness) je takoer bila vrlo visoka, od 0,79 do 0,98. Dvanaest od 28 parova lokusa je naeno u neravnote~i vezanosti gena (linkage disequilibrium) s time da je i indeks viaelokusne neravnote~e vezanosti gena (index of multilocus disequilibrium = rd) takoer ukazivao na uglavnom spolno razmno~avanje i mnoge rekombinacije izmeu jedinki u istra~enim populacijama; rd procjena se kretala izmeu 0,024 i 0,241. Nije naena jasna korelacija izmeu geneti ke udaljenosti istra~ivanih populacija i zemljopisne udaljenosti mjesta na kojima su sakupljene. Zbog toga smatramo da je od po etnog unosa ove patogene gljive na podru ja Hrvatske i Slovenije doalo do mnogo mijeaanja meu populacijama kao i rekombinacija meu jedinkama. To je posljedica spolnog razno~avanja, ato se odrazilo na uglavnom veliki broj pronaenih SCAR haplotipova kao i na nedostatak korelcije tipova vegetativne kompatibilnosti (vc) i SCAR haplotipova. Bayezijansko grupiranje je ukazalo na postojanje triju skupina koje su indicirale dva izvora odakle je C. parasitica uneaena u Hrvatsku i Sloveniju. Jedna grupa je dominantna u Sloveniji, jedna u Hrvatskoj, a jedna u populacijama uz Hrvatsko-Slovensku granicu. Rezultati ukazuju da je po etni izvor zaraze porijekom iz zapadne Europe (Italija) dok je drugi izvor naknadno unio dodanu raznolikost u naae populacije airenjem iz jugoisto ne Europe. Oral presentation POPULATION STRUTURE OF ASCOMYCETE Cryphonectria parasitica IN CROATIA AND SLOVENIA Marin Je~i1, Ljiljana Krstin2, Daniel Rigling3 "$v  6 8 : h l n D V h j X v ҷm_WSSSh(hhgH*h hr0J5CJaJ&jh hr5CJUaJh hr5CJaJ jh hr5CJUaJh(5CJ\aJh hr5CJ\aJh hr5CJH*\aJhghgH*hg hrH*hrhr6CJ]aJhrCJaJ hr5\hr5CJ\aJ "$l . 0 2 2()f***< ddgdgdddd 0 2 V  6 48:BFn0аа“tcXh hrmHsH h hr_HmHnHsHtH h9%hr_HmHnHsHtHh _HmHnHsHtHh _HmHnHsHtHhr]_HmHnHsHtH#hr6H*]_HmHnHsHtHh1_HmHnHsHtH hr6]_HmHnHsHtHhr_HmHnHsHtHhrhghhgH*"2d(.(2(4())))f)º™xfUEh hr5CJaJmHsH jh hr5CJUaJ"h hr5CJ\aJmHsHh5CJ\aJmHsH"h1hr5CJ\aJmHsH%h1hr5CJH*\aJmHsHUhghH*hhmHsHh1hrH*mHsH(h1hr56CJ\]aJmHsH"h1hr5CJ\aJmHsHh1hrmHsH& Mirna urkovi-Perica1 1Department of Botany, Faculty of Science, University of Zagreb, Maruliev trg 9a, HR-10000 Zagreb, Croatia, E-mail:  HYPERLINK "mailto:mirna@botanic.hr"mirna@botanic.hr 2Department of Biology, University of J. J. Strossmayer in Osijek, Trg Lj. Gaja 6, HR-31000 Osijek, Croatia 3Swiss Federal Research Institute, CH-8903 Birmensdorf, Switzerland Ascomycete Cryphonectria parasitica (Murrill) Barr. is an aggressive pathogen which lives as a parasite on sweet chestnut Castanea sativa Mill. and causes significant economic damage. In order to gain better insight in population structure of four Croatian and five Slovenian populations of this fungus, 180 samples were genotyped using 11 SCAR (sequence characterized amplified regions) loci. Forward primers were fluorescently labeled and amplicons, obtained with polymerase chain reaction (PCR), were detected with DNA Analyzer service (Macrogen, Seoul, Korea). Out of 11 loci tested, five to 8 were found polymorphic in different populations and in population Po~ega, two new alleles, that probably arose through spontaneous mutations, were detected. In nine tested populations a total of 66 different SCAR haplotypes were found. That was reflected in high Shannon diversity index, raging from 1,54 in population Ostrovica to 2,97 in population Hrvatska Kostajnica. Evenness was also very high, from 0,79 to 0,98. Twelve out of 28 pairs of loci were found in linkage disequilibrium. Index of multilocus linkage disequilibrium (rd) was also pointing to predominantly sexual reproduction and many recombinations of C. parasitica in tested populations; rd estimate ranged from 0,024 to 0,241. No clear correlation between genetic distance of studied populations and geographical distance between locations where fungal isolates were collected was observed. Therefore we think that from initial introduction of this pathogenic fungus in Croatia and Slovenia, many mixing of populations as well as recombinations between individuals has occurred. This is a consequence of sexual reproduction which is responsible for large number of SCAR haplotypes observed and lack of correlation between vegetative compatibility (vc) types and SCAR haplotypes. Bayesian clustering indicated existance of three clusters which suggested two separate sources of C. parasitica introduction in Croatia and Slovenia. One cluster is dominant in Slovenia, one in Croatia, and jet another along Croatian-Slovenian border. Results reveal that western Europe (Italy) is the first source of infection, while the second introduction came subsequently from southeastern Europe and contributed to diversity of our C. parasitica populations. f)h)j)))))))))*0*R*d*f*h******+6++,v/x/j3l3n3p33۽~shd]d]dVdRdRdh(D hrhr hr6]hrhghgmHsHhghrmHsHh(hghgH* hghgh(\mHsHh \mHsHhghg\mHsHhghgH*\mHsHh hr5CJaJmHsHh hr0J5CJaJ jh hr5CJUaJ&jh hr5CJUaJ 333r4444444457788X999::<:V::::T;z;<*<<< hh hh(D hhrh h(Dhrhr6H*] hr6],1h/ =!n"n#n$n% DyK yK 0mailto:mirna@botanic.hrDyK yK 0mailto:mirna@botanic.hr^ 2 0@P`p2( 0@P`p 0@P`p 0@P`p 0@P`p 0@P`p 0@P`p8XV~_HmHnHsHtHR`R Normal*$1$$CJKHPJ^J_H9aJmH sH tH9`@1B`  Heading 2 & F^]`OJQJCJ$5PJ^JaJ$\`1B`  Heading 3 & F^]`OJQJCJ5PJ^JaJ\DA D Default Paragraph FontViV  Table Normal :V 44 la (k (No List DA D Default Paragraph FontJ/J Absatz-StandardschriftartFU`F Hyperlink>*B* _HmHphsHtHB'!B Comment ReferenceCJaJNOBN Heading x$OJQJCJPJ^JaJ6B@B6 Body Text x$/AR$ ListD"bD Caption xx $CJ6aJ]*r* Index $HH Balloon TextOJQJCJ^JaJ<< Comment TextCJaJ@j@ Comment Subject5\PK![Content_Types].xmlj0Eжr(΢Iw},-j4 wP-t#bΙ{UTU^hd}㨫)*1P' ^W0)T9<l#$yi};~@(Hu* Dנz/0ǰ $ X3aZ,D0j~3߶b~i>3\`?/[G\!-Rk.sԻ..a濭?PK!֧6 _rels/.relsj0 }Q%v/C/}(h"O = C?hv=Ʌ%[xp{۵_Pѣ<1H0ORBdJE4b$q_6LR7`0̞O,En7Lib/SeеPK!kytheme/theme/themeManager.xml M @}w7c(EbˮCAǠҟ7՛K Y, e.|,H,lxɴIsQ}#Ր ֵ+!,^$j=GW)E+& 8PK!Ptheme/theme/theme1.xmlYOo6w toc'vuر-MniP@I}úama[إ4:lЯGRX^6؊>$ !)O^rC$y@/yH*񄴽)޵߻UDb`}"qۋJחX^)I`nEp)liV[]1M<OP6r=zgbIguSebORD۫qu gZo~ٺlAplxpT0+[}`jzAV2Fi@qv֬5\|ʜ̭NleXdsjcs7f W+Ն7`g ȘJj|h(KD- dXiJ؇(x$( :;˹! 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